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-8x^2y^4*3x/4y^6/(-x^2y/6z)
人气:228 ℃ 时间:2020-03-25 09:43:10
解答
-8x^2y^4*3x/4y^6/(-x^2y/6z)
=-8x^2y^4*(3x/4y^6)*(-6z/x^2y)
=8*6x^2y^4*3x*6z/(4y^6*x^2y)
=144x^3y^4z/(4x^2y^7)
=36xz/y^3
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