| 文件 | 时间 | 大小 | 下载 | |
|---|---|---|---|---|
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01.数据收集与整理.mp4 | 2022-05-25 14:02:15 | 45.15 MB | |
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02.平均分.mp4 | 2022-05-25 14:02:19 | 42.71 MB | |
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03.表内除法（一）.mp4 | 2022-05-25 14:02:16 | 34.98 MB | |
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04.平均与公平.mp4 | 2022-05-25 14:02:18 | 33.9 MB | |
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05.蜗牛几天爬到井口.mp4 | 2022-05-25 14:02:16 | 43.04 MB | |
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06.下雪啦.mp4 | 2022-05-25 14:02:18 | 63.64 MB | |
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07.平移与旋转.mp4 | 2022-05-25 14:02:19 | 46.89 MB | |
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08.除法的应用.mp4 | 2022-05-25 14:02:17 | 54.22 MB | |
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09.和差问题.mp4 | 2022-05-25 14:02:15 | 72.2 MB | |
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10.运算符号与优先级.mp4 | 2022-05-25 14:02:18 | 33.59 MB | |
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11.密室逃脱.mp4 | 2022-05-25 14:02:15 | 52.39 MB | |
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12.余数的认识.mp4 | 2022-05-25 14:02:15 | 36.63 MB | |
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13.有余数的除法.mp4 | 2022-05-25 14:02:17 | 63.83 MB | |
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14.隔墙算题.mp4 | 2022-05-25 14:02:16 | 30.29 MB | |
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15.万以内数的认识.mp4 | 2022-05-25 14:02:18 | 61.81 MB | |
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16.整百、整千的加减.mp4 | 2022-05-25 14:02:17 | 45.84 MB | |
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17.生活中的质量单位.mp4 | 2022-05-25 14:02:15 | 79.12 MB | |
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18.物体的重量.mp4 | 2022-05-25 14:02:19 | 66.49 MB | |
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19.最简单的推理.mp4 | 2022-05-25 14:02:15 | 39.11 MB | |
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20.柯西断案.mp4 | 2022-05-25 14:02:17 | 51.47 MB | |
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21.见习医生.mp4 | 2022-05-25 14:02:18 | 51.04 MB |