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虚数单位的运算问题：－1· i = －1×（－i ) =

分类: 作业答案 • 2022-06-13 20:04:36

问题描述：

答

第一个是－2i
第二个是-i

答

－1· i =-i
-1*(-i)=i

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虚数单位的运算问题：－1· i = －1×（－i ) =

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