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读了《中小学数学》(小学版)2016年第4期司志本的《一道智力题的思考过程》后,对该智力题产生了浓厚的兴趣,同时分析了司老师的思考过程,发现其中的实施方案还可进一步优化,现借《中小学数学》这一交流平台,和大家分享。该智力题是这样的:甲要把一面红旗插到一个沙漠中的某一点,然后返回出发地。从出发地到目的地需要走4天时间。因为甲只能带5桶水(一天用一桶
After reading “Thinking Process of a Puzzle” of “Elementary and Middle School Mathematics” (Elementary School Edition) 2016 No.4 Zhi Zhi Ben, I got a great interest in the Puzzle, and at the same time I analyzed the thinking process of Teacher Si and found out The implementation of the program can be further optimized, by virtue of “primary and secondary mathematics,” the exchange platform to share with you. The puzzle goes like this: A should put a red flag at some point in the desert and then return to the starting point. From the starting point to the destination need to take 4 days. Because A can only bring 5 barrels of water (a day with a barrel