已知y满足不等式(y+1)/2-y>2+(y+2)/3,化简|y+1|+|2y-1|的结果是?
已知y满足不等式(-y+1/2)-y>2+(y+2/3),化简/y+1/+/2y-1/=_____ 急!
已知y满足不等式2分之y+1-y>2+三分之y+2,化简y加一的绝对值+2y-1的绝对值
整数x.y满足不等式x^+y^+1小于等于2x+2y.则x+y的值有
已知:x,y满足|2x-y|+|y-1/2|=0,求7x-3y的值.
已知实数x,y满足根号(x+3y-1)+y²+2y+1=0,求2x-y的平方根
已知平面内点P(x,y)满足不等式(x+2y-1)(x-y+3)≥0,求x2+y2的最小值.
已知实数z、y满足不等式组x−2y+3≥03x+2y−7≤0x+2y−1≥0,则x-y的最小值为( )
整数x、y满足不等式x2+y2+1≤2x+2y,则x+y的值有( )
已知7/3*根号(9y)-y-2y*1/y=-2,求y的值
已知变量x,y满足约束条件x+2y-3=0,y-1
已知X和Y满足3X+4Y=2,X-Y-1/7
设函数y=y(x)满足微分方程y″-3y′+2y=2e^x 且曲线y=y(x)在(0.1)处与已知曲线y=x^4-x+1