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第七届华杯赛初赛题:时钟的时针和分针在6点时反向成一条直线,问下一次反向成一条直线在什么时间(结果精确到秒)。这是一道典型的钟面上时针与分针关系的实际应用题,实质上是行程问题中的追及问题,即时针从6、分针从0同时出发的追
The preliminary question of the 7th China Cup: The hour and minute hands of the clock reversed to a straight line at 6 o’clock, and asked at what time the next inversion was a straight line (the result was accurate to the second). This is a typical practical application of the relationship between the hour and minute hands on the clock face. It is essentially a follow-up question in the itinerary problem. The instant pin starts from the 6 minute hand and the minute hand starts from 0 at the same time.