1/5-1/10-1/20-1/40-1/80-1/160简算
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/27 01:43:39
![1/5-1/10-1/20-1/40-1/80-1/160简算](/uploads/image/z/135891-27-1.jpg?t=1%2F5-1%2F10-1%2F20-1%2F40-1%2F80-1%2F160%E7%AE%80%E7%AE%97)
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1/5-1/10-1/20-1/40-1/80-1/160简算
1/5-1/10-1/20-1/40-1/80-1/160简算
1/5-1/10-1/20-1/40-1/80-1/160简算
1/5-1/10-1/20-1/40-1/80-1/160
=(160/5-16-8-4-2-1)/160
=(32-16-8-4-2-1)160
=1/160