- A.δk=I
- B.δk=1
- C.kδ=1
- D.不能确定
- A.[1,2,3,0,0,7]<sup>T</sup>
- B.[1,2,3,0,0,0]<sup>T</sup>
- C.[4,5,6,0,0,0]<sup>T</sup>
- D.[1,2,3,4,5,6]<sup>T</sup>
- A.<img src="//img1.yqda.net/question-name/47/4bb2bd285bc57f92f173ab73412b0f.png" width="97" height="85"/>
- B.<img src="//img1.yqda.net/question-name/0b/7420e920de81fd54a71309707cdb48.png" width="93" height="81"/>
- C.<img src="//img1.yqda.net/question-name/7f/56d4ca1413368361360748a373ae7a.png"/>
- D.<img src="//img1.yqda.net/question-name/b4/b1ffa8aae4b3a903326721e49a2e8b.png" width="97" height="69"/>
- A.<img src="//img1.yqda.net/question-name/83/99a66b1019e333651d252d52a2ef10.png" width="56" height="36"/>
- B.<img src="//img1.yqda.net/question-name/0e/e2b3917c091868f4e4a75c48b7a2fc.png" width="56" height="38"/>
- C.<img src="//img1.yqda.net/question-name/b0/b9e1bce4cf3fe657f375f83dc12588.png" width="56" height="34"/>
- D.<img src="//img1.yqda.net/question-name/67/a20369f25ad4c78f21a38bb7d24d33.png" width="58" height="37"/>