已知x^2+y^2-2x-6y+10=0,求4(x^2+y)(x^2-y)-(2x^2-y)^2
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已知x^2+y^2-2x-6y+10=0,求4(x^2+y)(x^2-y)-(2x^2-y)^2
已知x^2+y^2-2x-6y+10=0,求4(x^2+y)(x^2-y)-(2x^2-y)^2
已知x^2+y^2-2x-6y+10=0,求4(x^2+y)(x^2-y)-(2x^2-y)^2
x=1 y=3 最后答案–33
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