x^2n=3,y^3n=4 (xy)^6n=?
人气:397 ℃ 时间:2020-04-05 12:56:01
解答
x^2n=3,
y^3n=4
(xy)^6n=(x^2n)^3*(y^3n)^2=3^3*4^2=9*16=144
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