已知实数x,y满足(x-y+6)(x+y-6)≥0,1≤x≤4,第(1)问,求x的平方+y的平方-2的取值范围,第(2)问,求y/(x-3)的取值范围

已知实数x,y满足x-y 已知实数X,Y满足{|x+y| 已知实数x,y满足：y 已知实数x,y满足约束条件x+y>3,y 已知实数x、y满足x²+y²+4x-6y+13=0 已知实数x,y满足{x=>0,y 已知实数x,y满足{x=>0,y 已知实数x.y满足(x+2)^2+y^2( 已知实数X,Y满足2 已知实数xy满足x+2y 已知实数x、y满足-1 已知实数x,y满足：1 已知实数x、y满足-4 已知实数xy满足 x+y-2 已知实数x,y满足-4 实数x,y满足:｜x+y｜ 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2x+5y>=10;2x-3y>-6;2x+y