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雙橢
Author:
Lin Ching Chieh
GeoGebra
New Resources
第八周作业
異分母分數減法
畫出對稱圖形
錐體建築師
三位數除以一位數（二）
Discover Resources
Math_Class Activity 1
Conic section-ellipse&hyperbola
GGB 1104 EX01
廣義三角：tan
研究杠杆平衡条件
Discover Topics
Circle
Arithmetic Operations
Fractions
Normal Distribution
Terms