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How to do the last line of the final unified examination paper in Xihu District, Hangzhou, Meng Jianping?
If it is set to 6 hours a day and 36 minutes an hour, the 360 degrees of the whole clock face can be divided into 6 equal parts, each of which is 60 degrees. 3 hours 18 minutes, the hour hand passed 3.5 hours, that is, 2 10 degrees; The minute hand passed 0.5 hour, which is 30 degrees. At this time, the minute hand and the hour hand form an angle of 180 degrees.