三年级数学下册2《除数是一位数的除法》口算除法同步作业新人教版.doc

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1口算除法1.我能算得快又对。804 6002 90003 42073204 24004 40004 56082.估算。647 3616 13973254 1886 28943 明明正在练习钢笔字。明明写完这些字大约要花多少分钟?4.每个植树队要植多少棵树?5.商店准备把苹果装袋进行销售。(1)如果每 4 个装一袋,大约可以装多少袋?(2)如果每 5 个装一袋,大约可以装多少袋?我每分钟可以写 9 个字。山 水 日 月 土共有 370 字我们一共有 8个植树队。今天一共要植 480 棵树。26.为吸引顾客,叮叮花店准备用“3 枝康乃馨、4 枝百合、8 枝玫瑰”组合成一束销售。名称 数量康乃馨 360 枝百合 480 枝玫瑰 800 枝这些花最多可以配成多少束?参考答案1.20 300 3000 60 80 600 1000 702.9 60 20 81 31 723.370941(分) 4.480860(棵)5.(1)249462(袋) (2)249550(袋)6.3603120 48041208008100 最多可以配成 100 束。3

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