x-0.24x=22.8和4.8x-x=19怎样写啊!(我还没学过)

问题描述:

x-0.24x=22.8和4.8x-x=19怎样写啊!(我还没学过)

x-0.24x=22.8
1x-0.24x=22.8 (1-0.24)*x=22.8 x=22.8/0.76=30
下一题一样