- 6
-
解矩阵方程
- 16
-
设
则AB= .
- A.-18
- B.-6
- C.6
- D.18
- A.-1,-2,-3
- B.-1,-2,3
- C.-1,2,3
- D.1,2,3
- A.-10
- B.-4
- C.3
- D.10
- A.0
- B.2
- C.3
- D.4
- A.<img src="//img1.yqda.net/question-name/65/74a9025a28ef9f69a9fa158e686aa0.png" width="27" height="42"/>
- B.0
- C.<img src="//img1.yqda.net/question-name/73/b9fc0c2201866924f05524471510ea.png" width="16" height="42"/>
- D.1
- A.<img src="//img1.yqda.net/question-name/39/c948d383af194f3e1e25a779b2ed7c.png" width="173" height="25"/>
- B.<img src="//img1.yqda.net/question-name/e7/27720b0a71d8c26f8835c4940f2d3e.png" width="168" height="25"/>
- C.<img src="//img1.yqda.net/question-name/a4/a2be45bbb6344c2249460316f6f6f3.png" width="220" height="22"/>
- D.<img src="//img1.yqda.net/question-name/e7/e93436e85bf37ec3fb1675bf91d3e5.png" width="96" height="25"/>
- A.0
- B.1
- C.2
- D.3
- A.-1
- B.<img src="//img1.yqda.net/question-name/ba/b9284507e4e07c953f0273c4ddb4c9.png" width="27" height="42"/>
- C.<img src="//img1.yqda.net/question-name/4a/d62f585a355560de3dc4d1aedb7513.png" width="16" height="42"/>
- D.1
- A.0
- B.1
- C.2
- D.3
- A.<img src="//img1.yqda.net/question-name/19/3bf73af3f2ba360ad48e7597e1770b.png" width="46" height="27"/>
- B.<img src="//img1.yqda.net/question-name/37/3b2b29886b4bc533843f9b46e5d903.png" width="73" height="27"/>
- C.<img src="//img1.yqda.net/question-name/01/fe51ac69e12326e38453ae245d7b64.png" width="46" height="27"/>
- D.<img src="//img1.yqda.net/question-name/0f/bc400c790ae74c056919e60c8d3a91.png" width="73" height="27"/>