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In a factory, machine A operates on a cycle of 20 hours of work followed by 4 hours of rest, and machine B operates on a cycle of 40 hours of work followed by 8 hours of rest. Last week, the two machines began their respective cycles at 12 noon on Monday and continued until 12 noon on the following Saturday. On which days during that time period was there a time when both machines were at rest?
Indicate all such days.
Indicate all such days.
C,E显示答案
· 相关考点
1.7.1 公倍数与最小公倍数
以上解析由 考满分老师提供。