(x-y)8次方除以(y-x)3次方
=(y-x)^3(y-x)^5/(y-x)^3
=(y-x)^5
当y<x时
(x-y)8次方除以(y-x)3次方
=(x-y)^3(x-y)^5/-(x-y)^3
=-(x-y)^5
注：此题要考虑y与X之间的大小关系
=(x-y)8次方÷[-(x-y)3次方]
=-(x-y)(8-3)次方
=-(x-y)5次方追问
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本回答被提问者采纳(x-y)8次方除以(y-x)3次方等于多少
(x-y)8次方除以(y-x)3次方 =(x-y)^3(x-y)^5\/-(x-y)^3 =-(x-y)^5 注：此题要考虑y与X之间的大小关系
(x-y)8次方除以(y-x)3次方等于多少
=(x-y)8次方÷[-(x-y)3次方]=-(x-y)(8-3)次方 =-(x-y)5次方
x减y的差的8次方除以y减x的差的4次方除以x减y的差的3次方
(x-y)的8次方\/(y-x)的4次方\/(x-y)的3次方 =(x-y)的8次方\/(x-y)的4次方\/(x-y)的3次方 =(x-y)的(8-4-3)次方 =x-y
初二数学题速解啊!!马上就要啊!!急急急
=(x-y)^8*(x-y)^4*(y-x)*(x-y)^4 =-(x-y)^8*(x-y)^4*(x-y)*(x-y)^4 =-(x-y)^17;2.（x-y)三次方（y-x）平方（y-x）五次方:=(x-y)^3*(y-x)^2(y-x)^5 =(x-y)^3*(y-x)^7 =-(x-y)^3*(x-y)^7 =-(x-y)^10;3.已知a的m次方=2，a的...
(x-y)^2乘(y-x)^3的结果为?
（x－y）^2*（y－x）^3=（x－y）^2*(-（x－y）^3)=-(x-y)^5=(y-x)^5
(x-y)的11次方÷(y-x)的8次方÷(x-y)的3次方(x≠y)
参考
(x-y)的10次方\/(y-x)的3次方\/(x-y)
原式=(x-y)的10次方\/[-(x-y)的3次方]\/(x-y)=-(x-y)的10-3-1)次方 =-(x-y)的6次方
(x-y)二次方乘(x-y)三次方乘(y-x)的二次方乘(y-x)的三次方等于多少?
(x-y)²×(x-y)³×(y-x)²×(y-x)³=-(x-y)²×(x-y)³×(x-y)²×(x-y)³=-（x-y)^10
(x-y)的10次方除以(y-x)的4次方乘(x-y)的2次方等于多少
(x-y)的10次方除以(y-x)的4次方乘(x-y)的2次方 =(x-y)^10÷(x-y)^4*(x-y)^2 =(x-y)^(10-4+2)=(x-y)^8
(s-y)的8次方×(y-x)的5次方×(x-y)的4次方
（x-y)^8×（y-x)^5×（x-y）^4 =-（x-y)^8×（x-y)^5×（x-y）^4 =-（x-y)^（8+5+4）=-（x-y)^17
