三年级数学下册一《除法》买新书同步练习北师大版.doc

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1买新书 1. 计算下面各题。12023 96023 120(23) 960(23) 2. 填空。(1) 48023=480( )(2) 一个三位数除以一位数,商可能是( )位数,也可能是( )位数。3. 解决问题。一本故事书有 180 页,小明每天看 6 页,他需要几个星期才能看完?学校阅览室有 3 个书柜,每个书柜有 3 层,要把 801 本书放到 3 个书柜中,平均每层放多少本? 4. 计算。72555 = 81997 = 答案1. 20 160 20 16022. 2 3;2 33. 5 个星期;89 本4. 29 13

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