一又1⼀5X等于1.2x0.25+1⼀2X解方程?

2025-01-06 08:01:02
推荐回答(1个)
回答1:

1又1/5x=1.2x0.25+1/2x
1.2x=0.3+0.5x
1.2x-0.5x=0.3
0.7x=0.3
x=3/7