6.78×10.1-0.678请问怎么简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 12:41:42
![6.78×10.1-0.678请问怎么简便计算](/uploads/image/z/128179-19-9.jpg?t=6.78%C3%9710.1-0.678%E8%AF%B7%E9%97%AE%E6%80%8E%E4%B9%88%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
6.78×10.1-0.678请问怎么简便计算
6.78×10.1-0.678请问怎么简便计算
6.78×10.1-0.678请问怎么简便计算
=6.78×10.1-6.78×6.78=6.78×(10.1-0.1)=6.78×10=67.8
=0.678×101-0.678=0.678x100=678
6.78x10.1-0.678
=6.78x10.1-6.78x0.1
=6.78x(10.1-0.1)
=6.78x10
=67.8
等于6.78*(10.1-0.1)