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若5x^2y^3+ay^3x^2=3x^2y^3,则a=?
人气:200 ℃ 时间:2019-12-10 11:40:05
解答
5x^2y^3+ax^2y^3=3x^2y^3
(a+5)x^2y^3=3x^2y^3
所以
a+5=3
a=-2
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