问题标题:
【3y-2x=1x+2/3=y+1/4对对答案还有一个x+y/3+x-y/2=63(x+y)-2(x-y)=28】
问题描述:
3y-2x=1x+2/3=y+1/4
对对答案还有一个x+y/3+x-y/2=63(x+y)-2(x-y)=28
龚云回答:
1.3Y=2X+1Y=(2X+1)/3X+2/3=(2X+1)/3+1/4X=15/4Y=38/242.x+y/3+x-y/2=63(x+y)-2(x-y)=282x+2y+3x-3y=363x+3y-2x+2y=285x-y=36x+5y=285x-y=365x+25y=14026y=104y=4x=8
查看更多