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估算作为一种特殊的解题方法,就是凭借已有经验或直觉来作出正确的判断,估算题对培养学生思维的敏捷性、灵活性和发散性大有益处,现列举几例予以分析,供大家参考.
Estimation is a special problem solving method. It is based on existing experience or intuition to make correct judgments. The estimation questions are beneficial to students’ agility, flexibility and divergence in thinking. Here are a few examples for analysis. Everybody’s reference.