若x,y满足|2x-y-3|+|3x+2y+1|=0,则x= y=

若变量x,y满足约束条件{x>=-1;y>=x;3x+2y 变量x,y满足约束条件,x+y>=3,x-y>=-1,2x-y 若x,y满足|2x-y-3|+|3x+2y+1|=0,则x= y= 若线段x ,y 满足[2x-3y]*[3x+2y]=0 则x/y=? 若x,y满足|x-y+1|+(x+y+3)^2=0则x^2-y^2= 设变量x.y满足条件3x+2y 当x,y满足条件|x+3|+|y-2| 若x、y满足2x+y=6,x-3y=1,求7y(x-3y)²-2(3y-x)³的值 若实数x,y满足约束条件x-y-2=0,2y-3 若实数X,Y同时满足3x+2y=7和2x+3y=3,求x+y/x-y 若实数x,y满足不等式组｛x+y≥2 ｛2x-y≤4 ｛x-y≥0 ,则2x+3y的最小值是? 若x,y满足不等式x+y≥2,2x-y≤4,x-y≥0,则2x+3y的最小值为多少 若x,y满足不等式x+y≥2,2x-y≤4,x-y≥0,则2x+3y的最小值为多少1111 若有理数x.y.z满足等式(x-2)*(x-2)+(2x-y)*(2x-y)*(2x-y)*(2x-y)*+|x-3z|=0,求x+y+z的值 当x,y满足----时,2(x+y)/3(x+y)的值为2/3 实数x.y满足(x-2(平方)+y(平方)=3则y/x的最大值? 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