1. (x+y)+(x-y)+xy+x/y=1002x+xy+x/y=100100=x(2+y+1/y)=(y+1)^2 *x/yx/y|100(y+1)^2|100100=(2^2)*(5^2)|y+1|=1,2,5,10注意这里y≠0
y=
-2,
1, -3, 4,
-6,9 , -11对应的有
x= -200,25, -75,16, -24, 9, -11对应的和x+y= -202,26, -78,20, -30.18,-22 对应的积x*y=400, 25, 225, 64, 144, 81,121那么这样的整数对
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