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$第3课时真分数和假分数 、1.4÷5=-分子比分母小12.5÷4 分子比分母大分子等于分母13.带分数 4.整数带分数5 6 二、1.√2.×3.×4.√5.√ ><>< 2 8 五、415144728231727 61 38