求计算过程[(x-y)³]^4·(y-x)³·3(x-y)²
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求计算过程[(x-y)³]^4·(y-x)³·3(x-y)²求计算过程[(x-y)³]^4·(y-x)³·3(x-y)²求计算过程[(x-y
求计算过程[(x-y)³]^4·(y-x)³·3(x-y)²
求计算过程[(x-y)³]^4·(y-x)³·3(x-y)²
求计算过程[(x-y)³]^4·(y-x)³·3(x-y)²
[(x-y)³]^4·(y-x)³·3(x-y)²
=[(y-x)³]^4·(y-x)³·3(y-x)²
=3（y-x)^(12+3+2)
=3（y-x)^17
=(x-y)^12 ×[-(x-y)³]× 3(x-y)²
=-3(x-y)^17