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兰大19年《线性代数》9月考试在线考核试题

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青青 发表于 2019-9-8 13:48:14 | 显示全部楼层 |阅读模式
青青
2019-9-8 13:48:14 441 0 看全部
《线性代数》9月考试在线考核试题
" C; a( ?$ t7 x0 C1.[单选题] 题面见图6<img height="213" width="750" alt="" src="http://file.open.com.cn/ItemDB/37509/294fa88a-6408-4c00-8fd2-26658fd774f4/200811412551177.jpg" />
! i+ @, c; d. l! v+ ]' m    A.A
- ^4 a1 t4 G. C0 N0 S& }+ X7 V    B.B. |& {; d: s! s5 F/ t9 L" @
    C.C. z. u  |+ O* I- D+ W$ H
    D.D: a4 i4 ^& D7 F( A: F  ^+ W
    正确答案:——B——" C4 h1 S: f$ ]) c+ v6 ?
2.[单选题] <img id="ODhhjwgTEMP20190805121601029.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODhhjwgTEMP20190805121601029.png?Expires=1880295361&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=c7oWUlbvcQlM73RlPKyr%2B8I9lM8%3D" />
& Y0 c9 n5 |2 J6 ?) Y$ p    A.(A)" D% u: r5 W6 O! I9 O. F  x
    B.(B)
* v. c# w( N5 `: l. `  U    C.(C)
6 C9 I* @" m0 |; t    D.(D)8 {  D* |4 p. m7 n
    正确答案:——B——& S' r0 s. M( L* I& _
3.[单选题] <img id="ODxogtcTEMP20190805121619233.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODxogtcTEMP20190805121619233.png?Expires=1880295379&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=iugHT8mQRxpl81Ak%2BBd78RIJLDw%3D" />; h8 J) s6 e+ C
    A.(A), L- B- u9 i8 g- I) }
    B.(B)3 y" T( E. S' }# G$ t7 q3 M0 ]5 _
    C.(C)/ w  ?$ P/ b2 J# |" I$ m5 j0 a
    D.(D)
& F( L0 g* M) {- Q0 M% V    正确答案:——B——
$ S  k  ]$ @: H* ~4.[单选题] <img id="ODatitwTEMP20190805121615753.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODatitwTEMP20190805121615753.png?Expires=1880295375&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=5fS9vGmdEvyemTGgynK3EOGGqfQ%3D" /># p1 v8 r) F. b
    A.(A)
0 J+ l( S& M) S( I. E. Q    B.(B)
4 Z( c5 ^: `( o% y* c    C.(C)" ?, b# n( W1 y1 ^
    D.(D)
* c' N4 L3 ]4 t) D( D. V    正确答案:————
7 O. v* c5 o2 v$ @+ s% p5.[单选题] <img id="ODcchtlTEMP20190805121717662.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODcchtlTEMP20190805121717662.png?Expires=1880295437&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=tl3ylq4duf%2BGNy17Qp4m9ICmBXA%3D" />
7 @/ g9 A' y; M; Y' v4 k" T    A.<img id="ODjpwviTEMP20190805121717817.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODjpwviTEMP20190805121717817.png?Expires=1880295437&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=39e7JXvsCJpmXujCkunwhXJ%2B7fE%3D" />1 \+ ~" ?2 Y0 s( q4 n. M+ ?/ P
    B.<img id="ODqzmjgTEMP20190805121717967.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODqzmjgTEMP20190805121717967.png?Expires=1880295438&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=JeRDf9VcV8xkpGXl/DfKN8kuGhs%3D" />
0 R5 Z" I6 [* @0 h    C.<img id="ODhrybxTEMP20190805121718169.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODhrybxTEMP20190805121718169.png?Expires=1880295438&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=PN6JbHlhKwYuBVlZzmQHKLEWvfI%3D" />1 Q( P* I2 y& K) ~% v" `
    D.<img id="ODtkjzrTEMP20190805121718385.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODtkjzrTEMP20190805121718385.png?Expires=1880295438&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=%2BbY0QGguyR0rcWCwz3BeNEhG4aY%3D" />
) Z2 p  Y9 m0 w* {" g9 m: s! @    正确答案:————
: O- J$ X; `: t; Q2 A+ u6.[单选题] 若A为3阶方阵且| A-1 |=2,则| 2A |=( )# T$ |# k' n2 O+ h* L, \
    A.<img id="ODiuvdrTEMP20190805121716343.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODiuvdrTEMP20190805121716343.png?Expires=1880295436&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=Jebzr3OdPdTTQXbGcPTIL/NkL84%3D" />
, d6 n4 ]8 R6 U& B6 B: V    B.2
& m3 w6 O! A" X4 D# m    C.4( _9 W8 F* C6 ]& E% n9 k" Q3 S
    D.83 U- b, g' Z  I1 b- L5 f$ _$ o
    正确答案:————* t$ O+ M3 G* o: }- ^
7.[单选题] <img id="ODzrzzuTEMP20190805121604454.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODzrzzuTEMP20190805121604454.png?Expires=1880295364&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=FkFTn406dsQbVXS3PNkhhgrf1TA%3D" />
* x0 [' E1 Y  {, Q+ y    A.(A)
4 h: o" L0 D# P) N7 y4 C9 I    B.(B)
, P5 C* c  o; Y# V    C.(C)& W' S& c  w5 j. F9 v, |
    D.(D)  J& i) I. B- y: x: a6 a
    正确答案:————! D% u9 u+ {4 g9 b: U
8.[单选题] <img id="ODdsgpiTEMP20190805121712181.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODdsgpiTEMP20190805121712181.png?Expires=1880295432&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=APdnA0vpswU8pvcOaupGnj3d9Ps%3D" />$ N0 l1 E& F$ @0 w& Y
    A.<img id="ODwdpqpTEMP20190805121712322.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODwdpqpTEMP20190805121712322.png?Expires=1880295432&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=vRXUzH7IsglEuv2A1omn/YblDjg%3D" />4 ]0 z! w* H; J/ y
    B.<img id="ODdyuclTEMP20190805121712455.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODdyuclTEMP20190805121712455.png?Expires=1880295432&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=LnadeEferk9ZfYpX485rNRgY2pI%3D" />4 X* a- L* l4 Z4 @7 u$ q
    C.<img id="ODiacdrTEMP20190805121712609.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODiacdrTEMP20190805121712609.png?Expires=1880295432&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=vVIllGNTVktscBHGmLk6d1spRPc%3D" />
9 t7 p6 n, a3 r5 I1 I/ i; h: m    D.<img id="ODoykqdTEMP20190805121712732.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODoykqdTEMP20190805121712732.png?Expires=1880295432&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=xBQ41wl%2BNi%2BunQv9khTe3gHgKXA%3D" />
) r8 T+ h# [  T+ w, N4 M/ Y$ Q2 l- b    正确答案:————# _( m; d  Q7 N( @0 E4 a+ T$ u
9.[单选题] <img id="ODnmszaTEMP20190805121559822.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODnmszaTEMP20190805121559822.png?Expires=1880295359&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=XiEC/G4jhdsXwzLehPgNFGjlmLs%3D" />' L0 N8 a8 F- Q1 w2 b
    A.(A)
3 `/ Q4 s9 G1 [) K' A    B.(B)! ]! M. A9 Z& [& J, b' p3 \; t: ^
    C.(C)
6 U% ^* @3 y. E( r2 c2 ^    D.(D)
& k" r. k) ^4 @8 u" @    正确答案:————1 d; Q  a9 Y2 }8 q+ ^+ v  ^
10.[单选题] <img id="ODiwuzxTEMP20190805121613983.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODiwuzxTEMP20190805121613983.png?Expires=1880295374&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=j2iRIo%2BOkxS16iVniIHPRgb2aPs%3D" />
# H2 J- l3 S9 ]. K; p    A.(A)# c: ~4 N; F! l. @
    B.(B)
% j3 z) X! a5 V$ z% p, D4 K    C.(C)
# s3 E; ^- T; ^$ V    D.(D)
$ g  w7 J" P, R0 g) w    正确答案:————
+ C0 {" i& f" h$ F! W" C3 U! j11.[S6-21] <img id="ODfirohTEMP20190805121637234.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODfirohTEMP20190805121637234.png?Expires=1880295397&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=STkWOHze6tFhI8Jp1oCZLfMZV/k%3D" />
4 Z9 K- u. G7 N    正确答案:————
- M5 t% i7 a: f  v) z7 f4 \12.[计算题] <img id="ODocowiTEMP20190805121729129.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODocowiTEMP20190805121729129.png?Expires=1880295449&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=PSjoji6oCzcxANYefQGBrm%2BDqaY%3D" />8 P  \+ V, R1 n. K9 A; z
    正确答案:————
6 [" \+ ~2 r* j) H0 \6 v% [13.[计算题] <img id="ODecqbaTEMP20190805121535075.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODecqbaTEMP20190805121535075.png?Expires=1880295335&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=1%2BKTfF7h4aSAvppCgrcJKHHryCA%3D" />
' _2 n  v4 E7 ]0 Q) ~4 k( E    正确答案:————6 G+ Q$ y% K9 u: b3 _
14.[计算题] <img id="ODkoiccTEMP20190805121549346.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODkoiccTEMP20190805121549346.png?Expires=1880295349&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=TyRb%2Bbr0KJjGaj//vQz4Z2m6pbU%3D" />
" Z6 [' t5 Z% \& `& j% h2 ^    正确答案:————
% _6 V- w3 O4 B- }15.[问答题] <img id="ODysojsTEMP20190805121631775.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODysojsTEMP20190805121631775.png?Expires=1880295391&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=PG57k0eGr1ICY71bPIiIVYEMCUQ%3D" />
8 m2 X7 t% \2 l- F# \( f. s    正确答案:————* h5 _% |' u' `
16.[问答题] <img id="ODavmpjTEMP20190805121624263.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODavmpjTEMP20190805121624263.png?Expires=1880295384&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=f%2B62bEM%2BZLvGob383YVY24SbEr8%3D" />4 G+ `/ |) o: f7 ?/ u: |' M1 \
    正确答案:————
+ o) y& d7 Z# o' h, v: _
" q( \; O( h$ @! B
$ G0 q2 u' z: [9 H3 A' c" Z! F9 z7 _
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