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perimeter

Author:Yip Sin Yue, spkwan, GeoGebra Institute of Hong Kong

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近似值：有效數字
球體建築師
找出對稱軸
Nested spiral octagon
AI 訓練教室

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君子球
遊戲
鉛筆畫圓
「相似三角形」任务1的副本
笛卡兒心臟線的複本

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Complex Numbers
Pyramid
Real Numbers
Triangles
Hyperbola

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