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19-1-认识矩形【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 17.46 MB | |
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19-10-特殊四边形的周长与面积【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 9.71 MB | |
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19-11-认识正方形【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 11.36 MB | |
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19-12-判定正方形【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 13.3 MB | |
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19-13-正方形与全等三角形【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 16.83 MB | |
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19-14-正方形与特殊角(上)【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 15.39 MB | |
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19-15-正方形与特殊角(下)【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 18.21 MB | |
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19-16-正方形与弦图【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 17.8 MB | |
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19-17-正方形与组图(上)【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 16.5 MB | |
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19-18-正方形与组图(下)【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 17.89 MB | |
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19-19-正方形中的翻折【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 18.64 MB | |
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19-2-发现矩形的性质【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 9.99 MB | |
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19-3-证明矩形的性质【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 8.58 MB | |
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19-4-直角三角形斜边上的中线【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 15.35 MB | |
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19-5-矩形的判定定理【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 17.48 MB | |
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19-6-认识菱形【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 14.64 MB | |
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19-7-发现菱形的性质【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 14.48 MB | |
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19-8-证明菱形的性质【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 9.04 MB | |
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19-9-菱形的判定定理【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 11.77 MB | |
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19-精讲1-四边形与倍长中线(上)【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 14.57 MB | |
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19-精讲2-四边形与倍长中线(下)【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 10.03 MB | |
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19-精讲3-四边形与角平分线【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 16.49 MB | |
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19-精讲4-四边形与平移变换【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 17.2 MB | |
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19-精讲5-四边形与对称变换【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 17.42 MB | |
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19-精讲6-四边形与旋转变换【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 14.31 MB | |
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19-精讲7-四边形与最值问题【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 19.28 MB | |
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19-精讲8-费马点问题【公众号：学爸优选】.ts | 2024-06-22 22:00:44 | 19.08 MB |