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做数学题时要注意发现题目本身所蕴含的规律,然后从规律入手得出解决问题的方法.但是在具体的解题实践当中,有的问题如果一味地从寻找规律入手,解决起来反而会既费时又费力,甚至难以得出正确结论.题目:(期末试题)100个人排成一列,从1到100报数,报出奇数者出列报出偶数者留下,剩下的人再第二次报数,报出奇数者再出列报出偶数者再留下,依此反复,直到最后剩下一个人.问:这最后剩下的一个人在第一次报数时报的是()
When doing math problems, we should pay attention to discover the law inherent in the subject, and then start with the law to find a solution to the problem.However, in the practice of solving problems, if we blindly start by looking for laws to solve them, Time and effort, and even difficult to draw the correct conclusion. Title: (final exam) 100 individuals in a row, reported from 1 to 100, reported an odd number out of the column to report the even number of people left, and the rest of the second Second, the number of reported, reported an odd number and then out to report the even number of people and then left, and so on repeatedly, until the last one left. Q: The last one left in the first newspaper Times ()