√42,3√5,4√3,3√6,6√2,( )A.12 B.2√35 C.2√37 D.144

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问题 √42,3√5,4√3,3√6,6√2,( )

选项 A.12
B.2√35
C.2√37
D.144

答案A

解析做差后做商 A
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