(x-y)的3次幂乘(x-y)的2次幂乘(y-x)等于?
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(x-y)的3次幂乘(x-y)的2次幂乘(y-x)等于?(x-y)的3次幂乘(x-y)的2次幂乘(y-x)等于?(x-y)的3次幂乘(x-y)的2次幂乘(y-x)等于?(x-y)^3*(x-y)^2*
(x-y)的3次幂乘(x-y)的2次幂乘(y-x)等于?
(x-y)的3次幂乘(x-y)的2次幂乘(y-x)等于?
(x-y)的3次幂乘(x-y)的2次幂乘(y-x)等于?
(x-y)^3*(x-y)^2*(y-x)=-(x-y)^6
-(x-y)6次幂
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