试题与答案

设z=(2-i)2(i为虚数单位),则复数z的模为()。

题型:填空题

题目:

设z=(2-i)2(i为虚数单位),则复数z的模为()。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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