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[2ab的2次方】的2次方*[3ab]的-3次方
人气:372 ℃ 时间:2020-01-28 02:34:04
解答
[2ab^2]^2*[3ab]^(-3)
=4a^2b^4*[3ab]^(-3)
=4a^2b^4*1/[3ab]^3
=4a^2b^4*1/(27a^3b^3)
=4b/(27a)
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