Последние добавленные видео:
正四面體
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7 years ago
77990 7 years ago 3:04用正方形紙摺正四面體
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8 years ago
15335 8 years ago 4:16【觀念】正四面體高的求法
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2 years ago
4243 2 years ago 3:19正四面體摺紙(記得開CC字幕)
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8 years ago
4249 8 years ago 18:47DIY 正四面體3D模型 Regular Tetrahedron
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2 years ago
1723 2 years ago 32:29正四面體分析
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5 years ago
7243 5 years ago 13:58李祥數學-正四面體的討論，請老師們學習畫圖
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8 years ago
253 8 years ago 3:47正四面體 regular tetrahedron
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4 years ago
10725 4 years ago 4:04用A4紙摺正四面體Fold out the regular tetrahedron with A4 paper
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6 years ago
9282 6 years ago 2:22利用一張A4紙直接折出正四面體（正三角錐）
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3 years ago
30 3 years ago 3:17正四面體 Regular Tetrahedron
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4 years ago
530 4 years ago 5:23正立方體中藏著正四面體
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16 years ago
2074 16 years ago 5:33正四面體
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7 years ago
183440 7 years ago 25:32中学 数学 テクニック【正四面体の公式】高校入試 高校受験 裏ワザ
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3 years ago
404 3 years ago 1:1820210514 正四面體的邊長
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11 years ago
801 11 years ago 4:14用SketchUp來畫正四面體(Tetrahedron)
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3 years ago
966 3 years ago 1:21【藝數摺學】艾雪鑲嵌正四面體II