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要提高课堂教学效率,对课本中习题的变式教学就是一个好的途径.通过一题多变的教学,既能拓宽学生的视野,提高解题能力,也能培养学生的探索精神和创新意识,提高数学能力.
To improve the efficiency of classroom teaching, it is a good way to change the teaching of exercises in textbooks.Through a variety of teaching, not only can broaden students ’horizons, improve the ability to solve problems, but also to cultivate students’ exploration spirit and sense of innovation , Improve math ability.