摘要
时钟的转动角度问题是中学数学教学中的一个难点,本文在中学生的认知水平上,给出了一个较为简便,快捷的计算公式。
The question about turning angles of the clock is a difficulty in middle school mathematics. On the cognizing level of middle school students, in this text, the author give out a obvious formula on counting the turning angels of the clock.
出处
《沧州师范学院学报》
2002年第3期43-43,共1页
Journal of Cangzhou Normal University
