已知X^2-4X+Y^2+10Y+29=0,求(1\X+1\Y)的倒数的值为多少?A.10\3 B.-10\3 C.3\10 D.-3\10

已知x^2-4x+y^2-10y+29=0,求x^2y^2+2x^3y^2+x^4y^2的值 已知X^2-4X+Y^2-10Y+29=0,求X^2Y^2+2X^3Y^2+X^4Y^2 已知x^2-4x+29-10y+y^2=0,求x^2y^2+2x^3y^2+x^4y^2 已知x+y=4,x^2+y^2=10,求(x-y)^2 已知：4x^2+y^2-4x-6y+10=0,求y/x-x/y的值 已知2x-y=10,求[(x²+y²)-(x-y)²+2y(x-y)]/4y已知2x-y=10,求[(x²+y²)-(x-y)²+2y(x-y)]/4y 就是已知2x-y=10,求[(x²+y²)-(x-y)²+2y(x-y)]/4y /4y就是除以4y 已知2y-x=-3,求[4y(2x-y)-2x(2x-y)]/(2x-y 已知x²-y²=10,求[（x+y）³-2y(x+y)²-4(x+y)]÷(x+y)的值 已知x²-y²=10,求[(x+y)的三次方-2y(x+y)²-4(x+y)]÷(x+y)的值 已知x的平方-y的平方=10求【(x+y)的立方-2y(x+y)的平方-4(x+y)】/(x+y) 已知x/y=2,求2x(x+y)-y(x+y)/4x²-4xy+y² 已知x*x+4x+y*y-2y+5=0,则x*x+y*y=? 已知2x-y=10,求式子[(x^2+y^2)-(x-y)^2+2y(x-y)]/4y (4xy-2y²)/4y是怎么变成=2y(2x-y)÷4y 已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值? 已知x²-4x+y²-10y+29=0求x²+2x³y²+x⁴y²的值 已知x²-4x+y²-10y+29=0,求x²y²+2x³+x四次方y² 请问已知x²-4x+29-10y+y²=0求x²y²+2x³y²+x四次方y²的值已知x²-4x+29-10y+y²=0求x²y²+2x³y²+x四次方y²的值麻烦各位了 已知:【(x²+y²)-(x-y)²+2y(x-y)】/4y=1,求4x/4x²-y²-1/2x+y