已知x的平方+2x+y的平方-6y+10=0,求x的y次方
人气：130 ℃ 时间：2019-10-19 17:36:45
解答
x的平方+2x+y的平方-6y+10=0
(x+1)^2+(y-3)^2=0
x+1=0
y-3=0
x=-1
y=3
x^y
=(-1)^3
=-1
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