∵x^2+y^2+5/4=2x+y ∴x^2+y^2+5/4-2x-y=0 (x-1)^2+(y-0.5)^2=0 ∴x=1 y=0.5 x^Y+y^x=1^0.5+0.5^1=1.5
若x^2+y^2+5/4=2x+y,求x^Y+y^x的值?
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