设x,y满足x+3y+|3x-2y|=22,且2x+y=11,则x=记得有2个答案,最好在3点10分前有答案,过了就不要了,给正确的追+分10!

设变量x.y满足条件3x+2y 设变量X,Y满足约束条件{X-Y+3>=0,X+Y>=0,-2 设变量x,y满足约束条件:x-y+3>=0 x+y>=0 -2 设实数X,Y满足2X+Y-2>=0,X-2Y+4>=0,3X-Y 设正实数x,y满足x^3+y^3=x-y,求证：x^2+4y^2 设实数x,y满足方程组①x-y-2=0 ③2y-3 设x,y满足约束条件x+y>=1,x-y>=-1,2x-y 设x,y满足约束条件x+y>=1,x-y>=-1,2x-y 设Z=X+Y,其中X,Y满足X+2Y>=0,X-Y 设实数x、y满足方程2x^2+3y^2=6y,求x+y的最大值 设实数x、y满足方程2x²+3y²=6y,求x+y的最大值 设x,y满足x＋3y＋|3x－y|＝19,2x＋y＝6则X= Y= 设变量x,y满足约束条件y≤x,x+y≥2,y≥3x-6,则目标函数z=2x+y的最小值 变量x,y满足约束条件,x+y>=3,x-y>=-1,2x-y 设x.y满足条件y>=0.X-Y+1>=0.x+y-3 设实数x,y满足 x>=0 x-2y>=0 x-y-2 设实数x,y满足约束条件：x>=2;y>=x;2x+y 设x,y满足约束条件{x>=0,y>=x,4x+3y