例1:根据前三个钟面的时间,推算并画出第四个钟面所表示的时间。思路点睛:上面前三个钟面上的时间依次是1:00,3:00,5:00。仔细分析可以发现,后一个钟面的时间比前一个钟面多走了两个小时。根据这一规律,第四个钟面上的时间就应比第三个钟面多两个小时,是7:00,即分针指着12,时针指着7。如下图: Example 1: Based on the time of the first three clock faces, calculate and draw the time indicated by the fourth clock face. Point of Ideas: The first three clock above the face of the time followed by 1: 00,3: 00,5: 00. After careful analysis, we can see that the time after one clock face is two hours longer than the one clock face. According to this law, the time on the fourth clock face should be two hours longer than the third clock face, at 7:00, with the minute hand pointing at 12 and the hour hand pointing at 7. As shown below: