(y/-6x的平方)的平方/(-y/2x的平方)的三次方的约分

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(y/-6x的平搭迟方)的平搏枝卖方÷(-y/2x的平方)的三次方
=[y²/(36x的4次基逗方)]÷[- y³/(8x的6次方)]
=-[y²/(36x的4次方)]×[ (8x的6次方)/y³]
=- 2x²/(9y)

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(y/-6x^2)^2/梁槐差(-y/2x^2)^3
=y^2/36x^4/橡皮(y^3/8c^6)
=2x^2/明冲y

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