三年级数学下册六《认识分数》吃西瓜一课三练北师大版.doc

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1吃 西 瓜淘淘猫导学基础碰碰车知识点 同分母分数加减法1填一填。2看图计算并涂一涂。2升级跷跷板3看谁先夺到红旗。4在里填上“” “”或“” 。智慧摩天轮5 里最小填几?答案与点拨35.4 4 5 8

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