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前不久,我上了一堂“百分数意义”的展示课,在课中充分利用“数形”结合帮助学生找到了理解“百分数意义”的支点,把握了意义的本质。
Not long ago, I went to the “% of significance” of the show class, make full use of the “number” in the class combination to help students find the fulcrum to understand “percentile ”, to grasp the essence of meaning.