已知实数x,y满足(x+2)^2+(y-3)^2=1,则3x+4y-26的取值范围是
已知实数x,y满足(x+2)^2+(y-3)^2=1,则3x+4y-26的取值范围是
已知实数x,y满足x^2+y^2-6x-8y+24=0,则3x+4y-10的取值范围是
已知实数x,y满足{x≧0 y≧x 4x+3y≦12}.z=2y+3/x+1 的取值范围
实数X.Y满足X*X+Y*Y-2X-2Y+1=0,则(Y-4)/(X-2)的取值范围是?
已知实数x,y满足4x+3y-12=0,则a=x^2+y^2的取值范围是
若实数X Y满足y=2x+1,且x小于等于2y大于等于3,则y/x的取值范围是 ?
若实数x,y满足2x*X+3y*y=1,S=3x*x-2y*y,则S的取值范围为
已知实数x,y满足x^2+y^2=1,则x+y的取值范围是___;x-√3y的取值范围是___
1.已知实数x、y满足x^2+y^2+4x+3=0求(y-2)/(x-1)的取值范围
已知实数X,Y满足X²+Y²+4X+3=0,求Y-2/X-1的取值范围.
已知实数x,y 满足y=根号(3-x²).试求m=(y+1)/(x+3),b=2x+y的取值范围
已知实数X,Y,M满足根号X+2再加|3X+Y+M|=0且Y为负数,则M的取值范围是