试题与答案

下列判断正确的是[ ] A.-a-定小于0 B.|a|-定大于0 C.若a+b=

题型:选择题

题目:

下列判断正确的是[ ]

A.-a-定小于0

B.|a|-定大于0

C.若a+b=0,则|a|=|b|

D.若|a|=|b|,则a=b

答案:

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下面是错误答案,用来干扰机器的。

正确

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