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cherry910502
GeoGebra
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兩組對邊相等的四邊形
兩位數除以一位數（一）
拼砌四邊形
四邊形的特性
兩組對邊相等和有直角的四邊形
Discover Resources
反射定律 Law of Reflection
Rotational symmetry of triangular prism
Activity 2
三宅一生132 5
相似双子模型（任意三角形）
Discover Topics
Definite Integral
Interest Calculation
Cone
Difference and Slope
Subtraction