已知实数x、y满足x−2y−3+(2x−3y−5)
已知实数x、y满足x−2y−3+(2x−3y−5)
已知实数x,y满足x−x+1=y+3−y
已知实数x、y满足2x−3y−1+|x−2y+2|=0
已知实数x,y满足2x+y−2≥0x−2y+4≥03x−y−3≤0则x
已知实数x,y满足x−y+5≥0x≤3x+y≥0
(2012•浙江模拟)已知实数x,y满足约束条件2x−y≤0x−3y+5≥0y≥1
已知实数x,y满足2x+y−2≥0x−2y+4≥03x−y−3≤0
已知实数x,y满足条件2x+y≥3x+y−3≤0x≥0y≥0
已知实数x,y满足方程x+2y=6,当1≤x≤3时,求y−1x−2
已知实数x、y满足2x−y−8
(2012•安徽模拟)已知实数x,y满足x−2y+2≥0y≥|x|
已知x、y都是实数,且y=x−2+2−x+3