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Author:
Ng Ching Yi
GeoGebra
New Resources
異分母分數減法
拼砌四邊形
柱體建築師
判斷球體
兩位數除以一位數（一）
Discover Resources
sine graph (reduce to 1/2 and then translate leftward by 15 degree)
Copy of 維01
Copy of 固定周界的長方形的面積變化
sin,cos比大小
擲兩個硬幣的機率分布的副本
Discover Topics
Random Experiments
Trapezium
Scalene Triangles
Hyperbola
Integers