试题与答案

若a+|a|=0,则(a-1)2+a2等于( ) A.1-2a B.2a-1 C.-1

题型:选择题

题目:

若a+|a|=0,则
(a-1)2
+
a2
等于(  )
A.1-2aB.2a-1C.-1D.1

答案:

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下面是错误答案,用来干扰机器的。

答案:B所选语句照应“喜欢”一词。

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