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01.小数乘法（1）.mp4 | 2024-07-01 17:57:55 | 607.64 MB | |
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02.小数乘法（2）.mp4 | 2024-07-01 17:57:55 | 527.19 MB | |
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03.平移、旋转和轴对称.mp4 | 2024-07-01 17:57:55 | 155.28 MB | |
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04.小数除法（1）.mp4 | 2024-07-01 17:57:55 | 166.54 MB | |
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05.小数除法（2）.mp4 | 2024-07-01 17:57:55 | 178.32 MB | |
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06.简易方程（1）.mp4 | 2024-07-01 17:57:55 | 133.36 MB | |
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07.简易方程（2）.mp4 | 2024-07-01 17:57:55 | 194.64 MB | |
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08.多边形的面积.mp4 | 2024-07-01 17:57:55 | 148.22 MB | |
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09.组合图形的面积.mp4 | 2024-07-01 17:57:55 | 181.89 MB | |
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10.倍数和因数（1）.mp4 | 2024-07-01 17:57:55 | 185.38 MB | |
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11.倍数和因数（2）.mp4 | 2024-07-01 17:57:55 | 167.4 MB | |
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12.负数的初步认识.mp4 | 2024-07-01 17:57:55 | 270.98 MB | |
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13.分数的意义和性质(1).mp4 | 2024-07-01 17:57:55 | 190.21 MB | |
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14.分数的意义和性质(2).mp4 | 2024-07-01 17:57:55 | 187.32 MB | |
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15.方向与位置.mp4 | 2024-07-01 17:57:55 | 180.92 MB | |
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16.长方体和正方体的认识.mp4 | 2024-07-01 17:57:55 | 146.65 MB | |
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17.长方体和正方体的表面积.mp4 | 2024-07-01 17:57:55 | 531.92 MB | |
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18.长方体和正方体的体积.mp4 | 2024-07-01 17:57:55 | 530.33 MB |