计算:(x-y)的5次方(x-y)²(x-y)³

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计算:(x-y)的5次方(x-y)²(x-y)³

计算:(x-y)的5次方(x-y)²(x-y)³
计算:(x-y)的5次方(x-y)²(x-y)³

计算:(x-y)的5次方(x-y)²(x-y)³
原式=(x-y)^5(x-y)^5
=(x-y)^10
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X5+5*X4Y+10*X3Y2+10*X2Y3+5*XY4+Y5