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01.认识八个方向.mp4 | 2022-05-25 14:02:19 | 34.62 MB | |
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02.简单的路线图.mp4 | 2022-05-25 14:02:16 | 38.96 MB | |
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03.指南针的奥秘.mp4 | 2022-05-25 14:02:15 | 33.54 MB | |
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04.笔算一位数除多位数.mp4 | 2022-05-25 14:02:16 | 34.02 MB | |
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05.商中有0的除法计算.mp4 | 2022-05-25 14:02:15 | 35.22 MB | |
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06.能喝几瓶可乐.mp4 | 2022-05-25 14:02:17 | 32.6 MB | |
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07.复式统计表.mp4 | 2022-05-25 14:02:17 | 53.8 MB | |
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08.笔算两位数乘两位数.mp4 | 2022-05-25 14:02:15 | 71.28 MB | |
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09.“王八”数.mp4 | 2022-05-25 14:02:19 | 56.33 MB | |
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10.移不完的金片.mp4 | 2022-05-25 14:02:19 | 50.01 MB | |
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11.面积.mp4 | 2022-05-25 14:02:17 | 61.3 MB | |
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12.几何“魔术”.mp4 | 2022-05-25 14:02:17 | 56.28 MB | |
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13.牛顿.mp4 | 2022-05-25 14:02:18 | 74.2 MB | |
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14.年、月、日.mp4 | 2022-05-25 14:02:15 | 88.93 MB | |
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15.时间与时区.mp4 | 2022-05-25 14:02:17 | 75.56 MB | |
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16.日心说.mp4 | 2022-05-25 14:02:19 | 87.92 MB | |
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17.小数的初步认识.mp4 | 2022-05-25 14:02:18 | 81.35 MB | |
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18.小数的加减.mp4 | 2022-05-25 14:02:17 | 47.36 MB | |
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19.机密文件.mp4 | 2022-05-25 14:02:16 | 56.92 MB |