2x-18=24.8怎么解
问题描述:
2x-18=24.8怎么解
答
2x-18=24.8
2x=24.8-18
2x=6.8
x=3.4
2x-18=24.8怎么解
2x-18=24.8
2x=24.8-18
2x=6.8
x=3.4