21秋西南大学0044 线性代数在线作业满分
0044 线性代数1.[单选题] <img title="202011141605352776561076495.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352776561076495.png"/> （ ）
A.<img title="202011141605352858254032861.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352858254032861.png"/>
B.<img title="202011141605352839445055991.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352839445055991.png"/>
C.<img title="202011141605352797600006733.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352797600006733.png"/>
D.<img title="202011141605352816757038527.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352816757038527.png"/>
2.[单选题] <img title="202011141605353488200086863.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353488200086863.png"/>（ ）
A.<img width="104" height="85" title="202011141605353540173049517.png" style="width: 80px; height: 69px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353540173049517.png"/>
B.<img width="88" height="85" title="202011141605353573314022077.png" style="width: 73px; height: 71px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353573314022077.png"/>
C.<img width="102" height="84" title="202011141605353521429084136.png" style="width: 75px; height: 76px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353521429084136.png"/>
D.<img width="90" height="85" title="202011141605353555309052880.png" style="width: 79px; height: 71px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353555309052880.png"/>
3.[单选题] <img title="202011201605841512104035754.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/20/202011201605841512104035754.png"/>（ ）
A.<img title="202011131605281239892006855.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281239892006855.png"/>
B.<img title="202011131605281216588065707.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281216588065707.png"/>
C.<img title="202011131605281272353057785.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281272353057785.png"/>
D.<img title="202011131605281254379064030.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281254379064030.png"/>
4.[单选题] <img title="202011141605357786299027635.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357786299027635.png"/>（ ）
A.<img title="202011141605357841983036884.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357841983036884.png"/>
B.<img title="202011141605357825191076238.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357825191076238.png"/>
C.<img title="202011141605357808496037363.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357808496037363.png"/>
D.<img title="202011141605357861024034190.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357861024034190.png"/>
5.[单选题] 设3阶方阵A的秩为1，则与A不等价的矩阵为（ ）
A.<img width="89" height="89" title="202011131605268395274014760.png" style="width: 72px; height: 68px;" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268395274014760.png"/>
B.<img width="95" height="90" title="202011131605268408195079645.png" style="width: 79px; height: 74px;" alt="000d.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268408195079645.png"/>
C.<img width="95" height="89" title="202011131605268390498054988.png" style="width: 74px; height: 72px;" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268390498054988.png"/>
D.<img width="95" height="92" title="202011131605268402399049488.png" style="width: 78px; height: 76px;" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268402399049488.png"/>
6.[单选题] <img title="202011141605357902101079932.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357902101079932.png"/>（ ）
A.只有唯一解
B.以上选项都不对
C.无解
D.有无穷多解
7.[单选题] <img width="570" height="40" title="202011131605264017702034156.png" style="width: 461px; height: 33px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264017702034156.png"/>（ ）
A.<img width="235" height="36" title="202011131605264044872015295.png" style="width: 177px; height: 30px;" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264044872015295.png"/>
B.<img width="240" height="39" title="202011131605264031801022920.png" style="width: 193px; height: 29px;" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264031801022920.png"/>
C.<img width="157" height="36" title="202011131605264038354024265.png" style="width: 128px; height: 28px;" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264038354024265.png"/>
D.<img width="231" height="35" title="202011131605264051792005422.png" style="width: 196px; height: 29px;" alt="000d.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264051792005422.png"/>
8.[单选题] <img title="202011141605356759800067305.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605356759800067305.png"/>（ ）
A.2
B.6
C.3
D.1
9.[单选题] <img width="248" height="95" title="202011131605264140351025990.png" style="width: 190px; height: 77px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264140351025990.png"/>（ ）
A.<img width="118" height="99" title="202011131605264161613040518.png" style="width: 88px; height: 75px;" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264161613040518.png"/>
B.<img width="109" height="97" title="202011131605264175069010119.png" style="width: 86px; height: 80px;" alt="000d.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264175069010119.png"/>
C.<img width="105" height="99" title="202011131605264152939070206.png" style="width: 81px; height: 76px;" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264152939070206.png"/>
D.<img width="100" height="99" title="202011131605264168061023336.png" style="width: 77px; height: 75px;" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264168061023336.png"/>
10.[单选题] <img title="202011201605854133633049964.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/20/202011201605854133633049964.png"/> （ ）
A.<img title="202011141605353219173087245.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353219173087245.png"/>
B.<img title="202011141605353237291004502.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353237291004502.png"/>
C.<img title="202011141605353178605067551.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353178605067551.png"/>
D.<img title="202011141605353197101073597.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353197101073597.png"/>
11.[单选题] <img title="202011131605281739581010523.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281739581010523.png"/>（ ）
A.<img title="202011131605281806055058011.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281806055058011.png"/>
B.<img title="202011131605281782524010254.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281782524010254.png"/>
C.<img title="202011131605281831209045942.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281831209045942.png"/>
D.<img title="202011131605281766939023677.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281766939023677.png"/>
12.[单选题] <img title="202011141605353599112083953.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353599112083953.png"/>（ ）
A.<img title="202011141605353659652093224.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353659652093224.png"/>
B.<img title="202011141605353624828076210.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353624828076210.png"/>
C.<img title="202011141605353681922031410.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353681922031410.png"/>
D.<img title="202011141605353640707009182.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353640707009182.png"/>
13.[单选题] <img title="202011131605281856636024299.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281856636024299.png"/>（ ）
A.<img title="202011201605841345375084528.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/20/202011201605841345375084528.png"/>
B.<img title="202011131605281939887015163.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281939887015163.png"/>
C.<img title="202011131605281892872049075.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281892872049075.png"/>
D.<img title="202011131605281962511022830.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281962511022830.png"/>
14.[单选题] <img title="202011131605281310024008720.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281310024008720.png"/> （ ）
A.<img title="202011131605281371251005934.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281371251005934.png"/>
B.<img title="202011131605281337085012060.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281337085012060.png"/>
C.<img title="202011131605281355572006263.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281355572006263.png"/>
D.<img title="202011131605281391811001498.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281391811001498.png"/>
15.[单选题] <img title="202011141605353365946093827.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353365946093827.png"/>（ ）
A.<img title="202011141605353435564097966.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353435564097966.png"/>
B.<img title="202011141605353402579063476.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353402579063476.png"/>
C.<img title="202011141605353419300072985.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353419300072985.png"/>
D.<img title="202011141605353386828061612.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605353386828061612.png"/>
16.[单选题] 设A为n阶可逆方阵，下式选项正确的是（ ）
A.<img title="202011141605357380586020724.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357380586020724.png"/>
B.<img title="202011141605357400224067441.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357400224067441.png"/>
C.<img title="202011141605357469408007205.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357469408007205.png"/>
D.<img title="202011141605357437127030390.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357437127030390.png"/>
17.[单选题] <img width="441" height="27" title="202011141605352882962052921.png" style="width: 407px; height: 27px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352882962052921.png"/> （ ）
A.<img width="195" height="28" title="202011141605352910277049638.png" style="width: 173px; height: 25px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352910277049638.png"/>
B.<img width="111" height="31" title="202011141605352929077027387.png" style="width: 97px; height: 25px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352929077027387.png"/>
C.<img width="167" height="24" title="202011141605352965940023744.png" style="width: 152px; height: 24px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352965940023744.png"/>
D.<img width="188" height="25" title="202011141605352949583097023.png" style="width: 159px; height: 22px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352949583097023.png"/>
18.[单选题] <img width="374" height="92" title="202011131605268278086060598.png" style="width: 297px; height: 71px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268278086060598.png"/>（ ）
A.-2
B.-1
C.1
D.2
19.[单选题] <img title="202011131605281624406073825.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281624406073825.png"/>（ ）
A.<img title="202011131605281652195087857.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281652195087857.png"/>
B.<img title="202011131605281712377079254.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281712377079254.png"/>
C.<img title="202011131605281692363051759.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281692363051759.png"/>
D.<img title="202011131605281669243080442.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281669243080442.png"/>
20.[单选题] <img width="337" height="100" title="202011131605265038467007344.png" style="width: 238px; height: 78px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605265038467007344.png"/>（ ）
A.2
B.1
C.4
D.1和2
21.[单选题] <img title="202011141605357674865042646.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357674865042646.png"/>（ ）
A.<img title="202011141605357698559026466.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357698559026466.png"/>
B.<img title="202011141605357761375036588.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357761375036588.png"/>
C.<img title="202011141605357719783013670.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357719783013670.png"/>
D.<img title="202011141605357740431026974.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357740431026974.png"/>
22.[单选题] 以123456为标准排列，则排列462531的逆序数是（ ）
A.5
B.8
C.11
D.6
23.[单选题] <img title="202011131605280999993018442.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605280999993018442.png"/> （ ）
A.-4
B.-8
C.8
D.4
24.[单选题] <img title="202011141605352661835034595.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352661835034595.png"/>（ ）
A.<img title="202011141605352738583047512.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352738583047512.png"/>
B.<img title="202011141605352700960024190.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352700960024190.png"/>
C.<img title="202011141605352684247027039.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352684247027039.png"/>
D.<img title="202011141605352720838065993.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352720838065993.png"/>
25.[单选题] <img width="357" height="98" title="202011281606536326991012097.png" style="width: 269px; height: 76px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/28/202011281606536326991012097.png"/>（ ）
A.<img width="189" height="35" title="202011131605268225665049362.png" style="width: 150px; height: 28px;" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268225665049362.png"/>
B.<img width="188" height="37" title="202011131605268231932075312.png" style="width: 150px; height: 29px;" alt="000d.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268231932075312.png"/>
C.<img width="191" height="42" title="202011131605268213085060303.png" style="width: 148px; height: 31px;" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268213085060303.png"/>
D.<img width="252" height="43" title="202011131605268218962099689.png" style="width: 204px; height: 33px;" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268218962099689.png"/>
26.[单选题] 设A、B为n阶方阵，A是可逆阵，则下面各项错误的是（ ）
A.<img title="202011201605840978631073141.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/20/202011201605840978631073141.png"/>
B.<img title="202011201605840913746048278.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/20/202011201605840913746048278.png"/>
C.<img title="202011131605281518418049628.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281518418049628.png"/>
D.<img title="202011131605281491482085216.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281491482085216.png"/>
27.[单选题] <img title="202011131605282016290096081.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605282016290096081.png"/>（ ）
A.1/2
B.-2
C.2
D.1
28.[单选题] <img title="202011141605356808208028197.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605356808208028197.png"/>（ ）
A.1
B.-1
C.6
D.-6
29.[单选题] <img width="496" height="75" title="202011131605268462535003932.png" style="width: 398px; height: 61px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268462535003932.png"/>（ ）
A.3
B.-3
C.-1
D.1
30.[单选题] <img title="202011131605281062383016190.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281062383016190.png"/> （ ）
A.<img title="202011131605281148733033602.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281148733033602.png"/>
B.<img title="202011131605281128677074572.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281128677074572.png"/>
C.<img title="202011131605281089020045307.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281089020045307.png"/>
D.<img title="202011131605281108524032297.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605281108524032297.png"/>
31.[单选题] <img title="202011141605356862344033344.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605356862344033344.png"/>（ ）
A.1
B.2
C.4
D.3
32.[单选题] <img title="202011141605352559410087424.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352559410087424.png"/>（ ）
A.向量组的秩为1
B.向量组线性无关
C.向量组的秩为2
D.向量组线性相关
33.[单选题] <img title="202011141605357151700087652.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357151700087652.png"/>（ ）
A.<img title="202011141605357194129061959.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357194129061959.png"/>
B.<img title="202011141605357177322085822.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357177322085822.png"/>
C.<img title="202011141605357209178038195.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357209178038195.png"/>
D.<img title="202011141605357224672073468.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357224672073468.png"/>
34.[单选题] <img width="461" height="67" title="202011131605268071792021206.png" style="width: 356px; height: 57px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268071792021206.png"/>（ ）
A.<img width="78" height="71" title="202011131605268083629075045.png" style="width: 58px; height: 56px;" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268083629075045.png"/>
B.<img width="68" height="65" title="202011131605268107093029036.png" style="width: 55px; height: 52px;" alt="000d.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268107093029036.png"/>
C.<img width="86" height="68" title="202011131605268100693010168.png" style="width: 63px; height: 54px;" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268100693010168.png"/>
D.<img width="77" height="66" title="202011131605268093114053548.png" style="width: 58px; height: 50px;" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268093114053548.png"/>
35.[单选题] <img title="202011141605357256572007755.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357256572007755.png"/>（ ）
A.<img width="93" height="84" title="202011141605357282457059690.png" style="width: 76px; height: 73px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357282457059690.png"/>
B.<img width="88" height="79" title="202011141605357314993050644.png" style="width: 76px; height: 72px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357314993050644.png"/>
C.<img width="94" height="84" title="202011141605357298456055774.png" style="width: 76px; height: 73px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357298456055774.png"/>
D.<img width="90" height="85" title="202011141605357329874022382.png" style="width: 74px; height: 81px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357329874022382.png"/>
36.[单选题] <img title="202011141605352386605005452.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352386605005452.png"/> （ ）
A.<img title="202011141605352412722019203.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352412722019203.png"/>
B.<img title="202011141605352450607065737.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352450607065737.png"/>
C.<img title="202011141605352469176095885.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352469176095885.png"/>
D.<img title="202011141605352432417012889.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605352432417012889.png"/>
37.[单选题] <img width="138" height="80" title="202011141605356952368006834.png" style="width: 135px; height: 76px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605356952368006834.png"/> （ ）
A.非奇异矩阵
B.可逆矩阵
C.以上选项都不对
D.奇异矩阵
38.[单选题] <img title="202011281606537768210012332.png" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/28/202011281606537768210012332.png"/>（ ）
A.<img title="202011131605282287959091063.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605282287959091063.png"/>
B.<img title="202011131605282330470032552.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605282330470032552.png"/>
C.<img title="202011131605282307294022877.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605282307294022877.png"/>
D.<img title="202011201605841790601046628.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/20/202011201605841790601046628.png"/>
39.[单选题] <img width="571" height="98" title="202011131605264915293077675.png" style="width: 453px; height: 81px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264915293077675.png"/> （ ）
A.<img width="127" height="57" title="202011131605264940993024713.png" style="width: 94px; height: 49px;" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264940993024713.png"/>
B.<img width="105" height="56" title="202011131605264935133011629.png" style="width: 84px; height: 48px;" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264935133011629.png"/>
C.<img width="124" height="91" title="202011131605264947814070149.png" style="width: 95px; height: 76px;" alt="000d.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264947814070149.png"/>
D.<img width="100" height="37" title="202011131605264929116070335.png" style="width: 81px; height: 32px;" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264929116070335.png"/>
40.[单选题] 下述命题正确的是（ ）
A.一个特征值只对应一个特征向量
B.一个n阶矩阵必有n个线性无关的特征向量
C.一个n阶矩阵必有n个不同的特征值
D.一个特征向量只对应一个特征值
41.[单选题] <img width="201" height="91" title="202011141605357021223031346.png" style="width: 157px; height: 88px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357021223031346.png"/>（ ）
A.<img width="95" height="76" title="202011141605357106098031535.png" style="width: 79px; height: 69px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357106098031535.png"/>
B.<img width="98" height="89" title="202011141605357045732015143.png" style="width: 80px; height: 78px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357045732015143.png"/>
C.<img width="93" height="87" title="202011141605357083899030280.png" style="width: 80px; height: 79px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357083899030280.png"/>
D.<img width="95" height="85" title="202011141605357066635008562.png" style="width: 80px; height: 78px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357066635008562.png"/>
42.[单选题] <img width="560" height="34" title="202011131605264258720066285.png" style="width: 479px; height: 29px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264258720066285.png"/>（ ）
A.<img title="202011131605264281032087715.png" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264281032087715.png"/>
B.<img title="202011131605264288459046920.png" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264288459046920.png"/>
C.<img title="202011131605264271889067145.png" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264271889067145.png"/>
D.A
43.[单选题] 设向量组α1，α2，…，αs线性相关，则必可推出（ ）
A.<img title="202011131605264735353065614.png" alt="000c.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264735353065614.png"/>
B.<img title="202011131605264727698057300.png" alt="000b.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264727698057300.png"/>
C.<img title="202011131605264720972030627.png" alt="000a.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264720972030627.png"/>
D.<img title="202011131605264744109037863.png" alt="000d.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264744109037863.png"/>
44.[单选题] <img width="280" height="80" title="202011141605357561131054205.png" style="width: 250px; height: 74px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357561131054205.png"/>（ ）
A.<img width="81" height="80" title="202011141605357639120085748.png" style="width: 74px; height: 74px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357639120085748.png"/>
B.<img width="90" height="85" title="202011141605357619689013346.png" style="width: 77px; height: 76px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357619689013346.png"/>
C.<img width="82" height="82" title="202011141605357600583005498.png" style="width: 70px; height: 72px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357600583005498.png"/>
D.<img width="95" height="85" title="202011141605357583681093510.png" style="width: 77px; height: 75px;" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605357583681093510.png"/>
45.[单选题] <img width="553" height="26" title="202011131605264829876005400.png" style="width: 484px; height: 21px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605264829876005400.png"/>（ ）
A.只有零解
B.无解
C.以上选项都不对
D.存在非零解
46.[判断题] <img title="202011141605354833286067158.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605354833286067158.png"/>（ ）
A.正确
B.错误
47.[判断题] 向量一定是列矩阵。（ ）
A.正确
B.错误
48.[判断题] <img title="202011131605282893624064706.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605282893624064706.png"/> （ ）
A.正确
B.错误
49.[判断题] <img width="259" height="100" title="202011131605268721457073935.png" style="width: 219px; height: 89px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268721457073935.png"/>（ ）
A.正确
B.错误
50.[判断题] 实矩阵的特征值都是实数。（ ）
A.正确
B.错误
51.[判断题] <img title="202011141605354878192060961.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605354878192060961.png"/>。（ ）
A.正确
B.错误
52.[判断题] <img width="256" height="98" title="202011131605269056112003147.png" style="width: 181px; height: 79px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605269056112003147.png"/> （ ）
A.正确
B.错误
53.[判断题] 对角线上元素都是0的矩阵称为零矩阵。（ ）
A.正确
B.错误
54.[判断题] 若A与B相似，则2A –λE = 2B - λE 。（ ）
A.正确
B.错误
55.[判断题] <img width="180" height="65" title="202011131605268765797032820.png" style="width: 136px; height: 56px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268765797032820.png"/>（ ）
A.正确
B.错误
56.[判断题] 行列式的某列各元素乘以同一个数，行列式不变。（ ）
A.正确
B.错误
57.[判断题] <img title="202011131605282732279005257.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605282732279005257.png"/>（ ）
A.正确
B.错误
58.[判断题] <img title="202011131605282666336017040.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605282666336017040.png"/> （ ）
A.正确
B.错误
59.[判断题] <img title="202011141605359363332026525.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605359363332026525.png"/>。（ ）
A.正确
B.错误
60.[判断题] 在n阶方阵中，行标和列标相同的元素都在方阵的主对角线上。 （ ）
A.正确
B.错误
61.[判断题] <img width="627" height="30" title="202011281606537043260086641.png" style="width: 460px; height: 24px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/28/202011281606537043260086641.png"/> （ ）
A.正确
B.错误
62.[判断题] 若齐次线性方程组的系数矩阵的秩为r，则方程组有且只有r个解向量。（ ）
A.正确
B.错误
63.[判断题] 矩阵的初等列变换等同于在矩阵右端乘上若干个初等矩阵。（ ）
A.正确
B.错误
64.[判断题] <img title="202011141605354941687026481.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605354941687026481.png"/>。（ ）
A.正确
B.错误
65.[判断题] 如果线性方程组有无穷解，则该方程组的系数矩阵与增广矩阵的秩一定相等。（ ）
A.正确
B.错误
66.[判断题] n阶方阵的秩小于n则方阵一定不存在逆矩阵。（ ）
A.正确
B.错误
67.[判断题] <img title="202011131605282784388050193.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605282784388050193.png"/>（ ）
A.正确
B.错误
68.[判断题] <img width="493" height="43" title="202011131605269006576080728.png" style="width: 398px; height: 33px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605269006576080728.png"/> （ ）
A.正确
B.错误
69.[判断题] <img title="202011131605282940684006556.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605282940684006556.png"/> （ ）
A.正确
B.错误
70.[判断题] 两个向量组等价，则这两个向量组的秩相等。（ ）
A.正确
B.错误
71.[判断题] 若A的行向量组线性无关，则齐次线性方程组Ax = 0有非零解。（ ）
A.正确
B.错误
72.[判断题] 单位矩阵经过一次初等行变换得到的矩阵为初等矩阵。（ ）
A.正确
B.错误
73.[判断题] 单位矩阵的行列式为1。（ ）
A.正确
B.错误
74.[判断题] <img title="202011141605354904785040486.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605354904785040486.png"/> 。 （ ）
A.正确
B.错误
75.[判断题] 矩阵的非零子式的阶数为矩阵的秩。（ ）
A.正确
B.错误
76.[判断题] 设A、B为两个方阵，如果|A| = |B|=0 ，则A、B均不存在逆矩阵。（ ）
A.正确
B.错误
77.[判断题] <img title="202011201605857590597052758.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/20/202011201605857590597052758.png"/> （ ）
A.正确
B.错误
78.[判断题] 如果n阶方阵A可对角化，则A有n个不同的特征值。（ ）
A.正确
B.错误
79.[判断题] <img width="426" height="34" title="202011131605268931585039327.png" style="width: 330px; height: 27px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268931585039327.png"/> （ ）
A.正确
B.错误
80.[判断题] 如果方阵A存在逆矩阵，则A等价于单位阵。（ ）
A.正确
B.错误
81.[判断题] <img width="474" height="35" title="202011131605268968066060187.png" style="width: 397px; height: 30px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605268968066060187.png"/>（ ）
A.正确
B.错误
82.[判断题] <img width="586" height="37" title="202011131605269110400024441.png" style="width: 484px; height: 29px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605269110400024441.png"/> （ ）
A.正确
B.错误
83.[判断题] <img title="202011201605854289779044328.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/20/202011201605854289779044328.png"/> 。（ ）
A.正确
B.错误
84.[判断题] 若n阶方阵A、B都可逆，则A - B与 A+B 也都可逆.。 （ ）
A.正确
B.错误
85.[判断题] <img title="202011131605282696899058339.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605282696899058339.png"/>（ ）
A.正确
B.错误
86.[判断题] 一个矩阵的转置等于这个矩阵乘以（-1），则该矩阵称为对称矩阵。（ ）
A.正确
B.错误
87.[判断题] <img width="566" height="29" title="202011131605269222916041554.png" style="width: 482px; height: 24px;" alt="001.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605269222916041554.png"/> （ ）
A.正确
B.错误
88.[判断题] 只有方阵才定义了行列式。（ ）
A.正确
B.错误
89.[判断题] 对于方阵A，单位矩阵E，若存在矩阵B使得AB=E，则B为A的逆矩阵。 （ ）
A.正确
B.错误
90.[判断题] 设A、B为两个不可逆的方阵，则|A| = |B|=0 。（ ）
A.正确
B.错误
91.[判断题] <img title="202011131605282977214010547.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605282977214010547.png"/> （ ）
A.正确
B.错误
92.[判断题] <img title="202011141605359219780067710.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605359219780067710.png"/>（ ）
A.正确
B.错误
93.[判断题] <img title="202011131605282833446088558.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605282833446088558.png"/>（ ）
A.正确
B.错误
94.[判断题] <img title="202011141605355017727046725.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/14/202011141605355017727046725.png"/> 。（ ）
A.正确
B.错误
95.[判断题] 一个矩阵与其转置矩阵的乘积一定是方阵。（ ）
A.正确
B.错误
96.[判断题] <img title="202011201605854219222087985.png" alt="image.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/20/202011201605854219222087985.png"/> 。（ ）
A.正确
B.错误
97.[判断题] 两个矩阵相加就是将它们的对应位置的元素相加。 （ ）
A.正确
B.错误
98.[问答题] <img title="201703081488936925391083939.png" alt="QQ截图20170308093526.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201703081488936925391083939.png"/>
A.
99.[问答题] <img title="201703081488936614749066043.png" alt="QQ截图20170308092950.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201703081488936614749066043.png"/>
A.
100.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/13/202011131605283085000095064.png" title="202011131605283085000095064.png" alt="image.png"/>
A.
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