若两圆x²+y²-2x+10y+1=0,x²+y²-2x+2y-m=0相交,求m
若两圆x²+y²-2x+10y+1=0,x²+y²-2x+2y-m=0相交,求m
已知(2x)/(x²-y²)÷m=(1)/(x-y),求m
已知2x/x²-y²÷M=1/y-x,求m
已知两圆x²+y²-2x-6y-1=0和x²+y²-10x-12y+m=0.⑴m
若|x+2y-1|+y²+4y+4=0,求(2x-y)²-2(2x-y)(x+2y)+(x+2y)&
圆C1:x²+y²-2x-6y-1=0,圆C2:x²+y²-10x-12y+m=
若|x+y-1|+(x-y-2)²=0,求代数式(x+2y)(x-2y)-(2x-y)(-y-2x)的值.
若M/x²-y²-x-y/x+y=2xy-y²/x²-y²求M的值
已知实数x, y满足x²+y²-2x+6y+10=0,求y∧-x.
已知实数x,y满足x²+y²-xy+2x-y+1=0 求x y
x²+4y²-2x+12y+10=0求X,Y值
已知集合M={y|y=2^x,x∈R},集合N={y|y=x²,x∈R},求M∩N