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一、旧知引入激发探究愿望师:同学们,谁能说一说分数与除法之间的关系?生:分数中的分子相当于除法中的被除数,分母相当
First, the introduction of the old knowledge to stimulate the desire to explore division: Students, who can talk about the relationship between scores and division Health: The numerator in the score is equivalent to the dividend in the division, denominator equivalent