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Author:
Ku, Yin Bon (Albert)
GeoGebra
New Resources
近似值：有效數字
兩位數除以一位數（一）
拼砌四邊形
兩位數加法
【案例】2018年全国1卷理科12题
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分段移動
相似三角形
Copy of Area of square
切割正八面體
國旗1
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Division
Kite
Statistics
Linear Regression
General Quadrilateral