| 文件 | 时间 | 大小 | 下载 | |
|---|---|---|---|---|
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01.长度单位厘米和米.mp4 | 2024-07-01 17:57:55 | 483.7 MB | |
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02.认识线段.mp4 | 2024-07-01 17:57:55 | 393.44 MB | |
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03.100以内的加法.mp4 | 2024-07-01 17:57:55 | 180.33 MB | |
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04.100以内的减法.mp4 | 2024-07-01 17:57:55 | 150.24 MB | |
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05.加减混合运算.mp4 | 2024-07-01 17:57:55 | 200.12 MB | |
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06.角的初步认识.mp4 | 2024-07-01 17:57:55 | 138.42 MB | |
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07.乘法的初步认识.mp4 | 2024-07-01 17:57:55 | 176.43 MB | |
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08.2～5的乘法口诀.mp4 | 2024-07-01 17:57:55 | 175.19 MB | |
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09.乘加乘减.mp4 | 2024-07-01 17:57:55 | 131.27 MB | |
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10.6的乘法口诀及解决问题.mp4 | 2024-07-01 17:57:55 | 137.74 MB | |
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11.观察物体.mp4 | 2024-07-01 17:57:55 | 149.89 MB | |
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12.7～8的乘法口诀.mp4 | 2024-07-01 17:57:55 | 147.93 MB | |
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13.9的乘法口诀.mp4 | 2024-07-01 17:57:55 | 145.11 MB | |
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14.认识时间.mp4 | 2024-07-01 17:57:55 | 165.55 MB | |
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15.简单的排列组合.mp4 | 2024-07-01 17:57:55 | 169.63 MB | |
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16.数据收集整理.mp4 | 2024-07-01 17:57:55 | 171.53 MB | |
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17.认识平均分.mp4 | 2024-07-01 17:57:55 | 141.63 MB | |
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18.认识除法.mp4 | 2024-07-01 17:57:55 | 143.5 MB | |
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19.用2～6的口诀求商.mp4 | 2024-07-01 17:57:55 | 132.58 MB | |
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20.图形的运动.mp4 | 2024-07-01 17:57:55 | 153.78 MB | |
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21.用7～9的口诀求商.mp4 | 2024-07-01 17:57:55 | 153.31 MB | |
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22.混合运算.mp4 | 2024-07-01 17:57:55 | 157.44 MB | |
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23.混合运算的解决问题.mp4 | 2024-07-01 17:57:55 | 151.29 MB | |
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24.有余数的除法.mp4 | 2024-07-01 17:57:55 | 509.3 MB | |
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25.有余数除法的解决问题.mp4 | 2024-07-01 17:57:55 | 146.74 MB | |
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26.1000以内数的认识.mp4 | 2024-07-01 17:57:55 | 177.42 MB | |
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27.10000以内的数的认识.mp4 | 2024-07-01 17:57:55 | 180.98 MB | |
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28.整百、整千数加减法.mp4 | 2024-07-01 17:57:55 | 135.67 MB | |
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29.克与千克.mp4 | 2024-07-01 17:57:55 | 426.37 MB | |
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30.简单推理.mp4 | 2024-07-01 17:57:55 | 519.57 MB |