若=,则x的值为(          )                                   ...

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问题详情:

若=,则x的值为(          )                                   ...=若=,则x的值为(          )                                   ... 第2张,则x的值为(          )                                        

A.1或2                B.3或4                C.1或3                D.2或4

【回答】

D

知识点:计数原理

题型:选择题

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