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(2a^2/3 *b^1/2)(-6a^1/2*b^1/3)/(-3a^1/6*b5/6)
人气:169 ℃ 时间:2020-07-05 00:46:59
解答
(2a^2/3 *b^1/2)(-6a^1/2*b^1/3)/(-3a^1/6*b5/6)
=12a^7/6*b^5/6 /(3a^1/6*b5/6)
=4a
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