3.45*102怎么简便
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 00:43:21
![3.45*102怎么简便](/uploads/image/z/11550495-39-5.jpg?t=3.45%2A102%E6%80%8E%E4%B9%88%E7%AE%80%E4%BE%BF)
3.45*102怎么简便
3.45*102怎么简便
3.45*102怎么简便
3.45*102
=3.45*(100+2)
=3.45*100+3.45*2
=345+6.9
=351.9
3.45*102
=3.45×(100+2)
=3.45×100+3.45×2
=345+6.9
=351.9
3.45*102?
3.45*(100+2)
3.45*100+3.45*2
345+6.9
351.9