已知x,y满足x²+y²-6x+2y+10＝0求³√x²-y²的值

已知x,y满足x²+y²-6x+2y+10＝0求³√x²-y²的值 已知实数x, y满足x²+y²-2x+6y+10=0,求y∧-x. 已知非零有理数x,y满足x²-4xy+4y²=0,求x-y/x+y-y-x/x+y的值. 已知x,y的值满足方程组x+2y=3,x-y=-2,求x/(x-y)²+x²-y²/(x+ 若x、y满足2x+y=6,x-3y=1,求7y(x-3y)²-2(3y-x)³的值 已知x,y,z满足x+y+2z=1,x²+y²+6z+1.5=0,求x,y,z的值 已知x,y满足y²=2x+6y-x²-10,求代数式xy/x+y的值 已知实数X、Y满足X²+4y²+2x-4y+2=0 求X的2y次方+2x的值 已知实数x,y满足x²+y²+2x-2y=0,求x²+y²的最大值 x+y的最小 已知实数x,y满足x²+y²-xy+2x-y+1=0 求x y 1、已知实数x、x满足x²＋y²－xy＋2x－y＋1＝0,试求x、y的值. 已知x,y满足x²+y²-4x+6y+13=0则(3x+y)²-(3x+y)(3x-y)的