已知实数x,y满足y=|x-1|,则x+2y的最大值是
已知正实数x,y满足x+2y=2.则y/2x+1/y的最小值是
已知实数x,y满足y=|x-1|若x+2y
已知实数x,y满足x-ay-1>=0,2x+y>=0,x
已知正实数x,y满足1/x+2/y=1,则x+2y的最小值
已知实数x,y满足x+y-1=0则x^2+y^2的最小值为
已知实数x,y满足x^2+y^2=1,则x+y的最小值为
已知实数x,y满足√x-2 + (y+1)²=0,则x-y=多少?
已知正实数x,y满足x+2y=4,则1/x+1/y的最小值为
已知正实数x,y满足x+y=1,则1/x+2/y的最小值
已知实数x,y满足 根号x-2 + (y+1)²=0,则x-y等于
已知实数x,y满足根号x-2+(y+1)²=.,则x-y 等于
已知实数x,y满足(x+y)^2=1,(x-y)^2=25,求x,y的值
已知实数x,y满足x²+y²-xy+2x-y+1=0 求x y
已知实数x,y满足y=x^2-2x+2(-1
已知实数X,Y满足2
已知实数xy满足x+2y
已知实数xy满足 x+y-2