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+等于                                               (  )A...

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问题详情:

+等于                                               (  )A...+等于                                               (  )A... 第2张等于                                                (  )

A.lg3                      B.-lg3

C.+等于                                               (  )A... 第3张                          D.-+等于                                               (  )A... 第4张

【回答】

解析:原式=log+等于                                               (  )A... 第5张+等于                                               (  )A... 第6张+log+等于                                               (  )A... 第7张+等于                                               (  )A... 第8张=log94+log35=log32+log35=log310=+等于                                               (  )A... 第9张.

*:C

知识点:基本初等函数I

题型:选择题

TAG标签:#等于 #
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