3道解一元一次方程!在线等!要步骤!5/12x-x/4=1/3y-1 / 2 = 2- y+2 / 50.1x+0.3 / 0.2 +2.5= 0.4x -1 / 0.5
问题描述:
3道解一元一次方程!在线等!要步骤!
5/12x-x/4=1/3
y-1 / 2 = 2- y+2 / 5
0.1x+0.3 / 0.2 +2.5= 0.4x -1 / 0.5
答
3道解一元一次方程!在线等!要步骤!
5/12x-x/4=1/3
y-1 / 2 = 2- y+2 / 5
0.1x+0.3 / 0.2 +2.5= 0.4x -1 / 0.5