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Measuring areas by placing different shapes
Author:
Shum Kwok Ching
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
AI 訓練教室
伊朗國旗 (Codex╱2026.10.07)
Earth with coastline
美國國旗 (Claude 版)
世界平面地圖 (Codex╱2026.10.07)
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三角形的外心
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cos, sin 與單位圓的副本
切線 (The Tangent Line)
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