若x满足2x+2^x=5,y满足2y+2log2(y-1)=5,则x+y=?
若x满足2x+2^x=5,y满足2y+2log2(y-1)=5,则x+y=?
若变量x,y满足约束条件{x>=-1;y>=x;3x+2y
已知x,y满足-5|x-2y|+8|y-1\2|=0则x=( ),y=( )
x,y满足-5|x-2y|+8|y-1\2|=0则x和y等于多少
若x,y满足|2x-y-3|+|3x+2y+1|=0,则x= y=
变量x,y满足x-2y=0,x
若实数x,y满足{2x-y>=0,
若实数x,y满足x^2+y^2-4x-2y+5=0,则x+y/2x-1
若变量x,y满足约束条件-1≤x:x≤y;3x+2y≤5,则z=2x+y的最大值为
若正实数x.y满足x+y=xy,则x+2y的最小值
已知正实数x,y满足x+2y=4,则1x+1y
设Z=X+Y,其中X,Y满足X+2Y>=0,X-Y