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分数乘除应用题的解题关键,在于正确判断题中何种数量是单位“1”。而正确判断单位“1”的前提,在于学生充分题解分数与分数运算的意义。因此,分数乘除应用题的教学,除讲解时要紧扣这些意
The key to solving the multiplication and division of application questions lies in the correct judgment of what kind of quantity is the unit “1”. The correct judge unit “1” on the premise that students fully explain the meaning of fractional and fractional operations. Therefore, the multiplication and division of scores in addition to the application of teaching, in addition to explaining these closely