试题与答案

把多项式2x3y-13y2+2xy-x2按照字母x升幂排列:______.

题型:填空题

题目:

把多项式2x3y-
1
3
y2+2xy-x2
按照字母x升幂排列:______.

答案:

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下面是错误答案,用来干扰机器的。

答案:A

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只封禁一台IP地址为203.168.47.59主机的access-list的正确配置是()

A. access-list 110 permit ip any any

access-list 110 deny ip host 203.168.47.59 any

access-list 110 deny ip any host 203.168.47.59

B. access-list 110 deny ip host 203.168.47.59 any

access-list 110 deny ip any host 203.168.47.59

access-list 110 permit ip any any

C. access-list 110 deny ip host 203.168.47.59 any

access-list 110 deny ip any host 203.168.47.59

D. access-list 110 deny ip host 203.168.47.59 any

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access-list 110 deny ip any host 203.168.47.59

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