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BkD_act15_04c
Author:
Luk Sir
GeoGebra
New Resources
拼砌四邊形
第八周作业
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
兩位數加法
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三角函數with sine, cosine圖形
S5 geometry
Copy of 固定面積的圖形的周界變化
數學傳播39卷4期, 平面幾何公式思考
三元大作戰-勾選版
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Percentages
Kite
Symmetry
Differential Calculus
Right Triangles