You spend 30 minutes each day on coffee break which counts for 2

来源: keessa 于 2015-09-10 10:08:07 [档案] [旧帖] [给我悄悄话] 本文已被阅读：次 (79 bytes)

回答: " Want a day off work?" ZT。文科生的数学由 7Sle 于 2015-09-10 09:18:24

23days *24hoursperday / 0.5 hour = 1104 coffee breaks per year

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