我猜02应该是误打上去的吧解：2x+3y=14····① x2/3-y-1/4=1······② x/3-y-1/4=1得到 x/3-y=3/4 即x-3y=9/4·····③ ③*2得到2x-6y=9/2······④ ④-①得-9y=-19/2 ∴y=19/18 x=65/8
x02/3？啥意思！
