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分数 百分数第一课时复习要点系统复习分数、百分数的意义；分数与除法、比的关系．分数的分类：分数的基本性质；约分与能分；分数的大小比较；分数与小数、百分数的互化等有关基础知识。１．分数、小数四则混合运算的运算顺序。２．选择合理的算法。（Ｉ）分数和小数相...
Points Percentage The first lesson review points System review scores, the meaning of the percentage; score and division, than the relationship. Classification of scores: The basic nature of the score; About points and energy points; Comparison of the size of the scores; Fractional and decimal, the percentage of each other and other related basic knowledge. 1. Fractional, fractional four arithmetic operation sequence. 2. Choose a reasonable algorithm. (I) fractional and decimal phase ...