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二次函數
Author:
Terry Chau
Topic:
Quadratic Functions
GeoGebra
New Resources
拼砌四邊形
四邉形 (四年級) 教師版
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
Discover Resources
尺規作圖找平方根點(以根號2為例)
Prime Factors - step by step
角的認識
橢圓包絡線
圆之吻（Apollonius circles）
Discover Topics
Tree Diagrams
Correlation
Integers
Complex Numbers
Similar Triangles