wentian110
幼苗
共回答了25个问题采纳率:88% 举报
^(3n-1)/a^(2n-1)×c÷b^(3n-2)/a^2n
=b^(3n-1)/a^(2n-1)×c×a^2n/b^(3n-2)
=bb^(3n-2)/a^(2n-1)×c×aa^(2n-1)/b^(3n-2)
=abc
1年前
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不好意思,题打错了b^(3n-1)/a^(2n+1)×c÷b^(3n-2)/a^2n
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wentian110
b^(3n-1)/a^(2n+1)×c÷b^(3n-2)/a^2n =b^(3n-1)/a^(2n+1)×a^2n/b^(3n-2)×c =bb^(3n-2)/aa^2n×a^2n/b^(3n-2)×c =bc/a