有理数x、y满足|x+y-3|+(x-y+1)的2次方=0,求（x乘y的2次方）的2次方乘（x的2次方乘y的二次方）的2次方

题目

有理数x、y满足|x+y-3|+(x-y+1)的2次方=0,求（x乘y的2次方）的2次方乘（x的2次方乘y的二次方）的2次方
的值...

答案

|x+y-3|+(x-y+1)^2=0
|x+y-3|=0,(x-y+1)^2=0
x+y-3=0
x-y+1=0
解得
x=1
y=2
(xy^2)^2*(x^2y^2)^2
=x^2y^4*x^4y^4
=x^6y^8
=1^6*2^8
=1*256
=256