①、计算8(x+y)^8(x-y)^6除[2(x+y)^3·(x-y)^3]^2=?
1个回答
1、(X+Y)^2
2、p=3
3、这个题有问题
4、a=-2 b=4
5、x-y=1
6、+4 -4 +11 -11 +1 -1
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