會(huì)計(jì)本科
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(單選題)



A

1

B

2

C

3

D

4

(填空題)

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(單選題)已知矩陣A的特征值為1,2,3,求矩陣A+2E的行列式的值

A

6

B

60

C

-6

D

-60

(填空題)???????__________

(計(jì)算題)



(證明題)



(填空題)

__________

(填空題)

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(計(jì)算題)


???????

(填空題)

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