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A man updates his two computers regularly. On June, $$1^{st}$$, he updated both of them, then update the first computer every six days (for example, the next update will be June, $$7^{th}$$), and update the second one every 8 days, so in the 30 days of month June, how many days will this man not update the computers?
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· 相关考点
6.2.1 等差数列
6.2.1 等差数列
以上解析由 考满分老师提供。
