369*0.99+3.69简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 00:20:53
![369*0.99+3.69简便计算](/uploads/image/z/65882-2-2.jpg?t=369%2A0.99%2B3.69%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
369*0.99+3.69简便计算
369*0.99+3.69简便计算
369*0.99+3.69简便计算
369*0.99+3.69
=369*0.99+369*0.01
=369*(0.99+0.01)
=369
369*0.99+3.69
=3.69*99+3.69
=3.69*(99+1)
=3.69*100
=369
(370-1)(1-0.01)+3.69=370-3.70-1+0.01+3.69=369
提出3.69得:3.69*(100*0.99+1)=3.69*(99+1)=3.69*100=369