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1.1_认识平面图形.mp4 | 2024-02-29 14:36:54 | 33.73 MB | |
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1.2_拼一拼（1）.mp4 | 2024-02-29 14:36:54 | 22.26 MB | |
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1.3_拼一拼（2）.mp4 | 2024-02-29 14:36:54 | 34.35 MB | |
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2.1_十几减9.mp4 | 2024-02-29 14:36:54 | 21.63 MB | |
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2.2_十几减8.mp4 | 2024-02-29 14:36:54 | 25.93 MB | |
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2.3_十几减7、6.mp4 | 2024-02-29 14:36:54 | 26.07 MB | |
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2.4_十几减5、4、3、2.mp4 | 2024-02-29 14:36:54 | 22.03 MB | |
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2.5_用数字（1）.mp4 | 2024-02-29 14:36:54 | 15.52 MB | |
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2.6_用数字（2）.mp4 | 2024-02-29 14:36:54 | 17.17 MB | |
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3.1_分类与整理（1）.mp4 | 2024-02-29 14:36:54 | 40.21 MB | |
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3.2_分类与整理（2）.mp4 | 2024-02-29 14:36:54 | 51.12 MB | |
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4.1_数数.mp4 | 2024-02-29 14:36:54 | 44.15 MB | |
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4.2_数的组成.mp4 | 2024-02-29 14:36:54 | 31.61 MB | |
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4.3_读数、写数.mp4 | 2024-02-29 14:36:54 | 52.34 MB | |
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4.4_数的顺序.mp4 | 2024-02-29 14:36:54 | 52.7 MB | |
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4.5_比较大小.mp4 | 2024-02-29 14:36:54 | 31.5 MB | |
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4.6_比多少.mp4 | 2024-02-29 14:36:54 | 27.76 MB | |
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4.7_用数字.mp4 | 2024-02-29 14:36:54 | 37.23 MB | |
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4.8_整十数加一位数及相应的减法.mp4 | 2024-02-29 14:36:54 | 64.62 MB | |
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5.1_认识人民币（1）.mp4 | 2024-02-29 14:36:54 | 31.35 MB | |
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5.3_简单的计算（1）.mp4 | 2024-02-29 14:36:54 | 41.73 MB | |
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5.4_简单的计算（2）.mp4 | 2024-02-29 14:36:54 | 26.55 MB | |
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6.1_整十数加、减整十数.mp4 | 2024-02-29 14:36:54 | 28.94 MB | |
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6.2_两位数加一位数、整十数（1）.mp4 | 2024-02-29 14:36:54 | 32.64 MB | |
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6.3_两位数加一位数、整十数（2）.mp4 | 2024-02-29 14:36:54 | 29.25 MB | |
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6.4_两位数减一位数、整十数（1）.mp4 | 2024-02-29 14:36:54 | 20.64 MB | |
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6.5_两位数减一位数、整十数（2）.mp4 | 2024-02-29 14:36:54 | 39.63 MB | |
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6.6_小括号（1）.mp4 | 2024-02-29 14:36:54 | 33.3 MB | |
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6.7_小括号（2）.mp4 | 2024-02-29 14:36:54 | 33.88 MB | |
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6.8_用数字（1）.mp4 | 2024-02-29 14:36:54 | 28.6 MB | |
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6.9_用数字（2）.mp4 | 2024-02-29 14:36:54 | 38.81 MB | |
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7.1_找规律（1）.mp4 | 2024-02-29 14:36:54 | 21.26 MB | |
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7.2_找规律（2）.mp4 | 2024-02-29 14:36:54 | 20.47 MB | |
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7.3_找规律（3）.mp4 | 2024-02-29 14:36:54 | 22.53 MB |