分数巧算

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资料 https://www.aliyundrive.com/s/CiFTaRPegJv/folder/622265d1848d371a28394bb3be6903a46c6d3611 folder五年级数学第01讲 分数巧算.mp4 674.46 MB mp4

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小数点的移动.mp4 6.63 MB mp4

小数提取公因数.mp4 4.91 MB mp4

小数加减法.mp4 5.39 MB mp4

小数凑整.mp4 4.48 MB mp4

小数乘除法.mp4 4.80 MB mp4

数学巧算 https://www.aliyundrive.com/s/Doyy9iwNceE/folder/623897b7234242bfe39c43228781610b89500a28 folder