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優良作品2
Author:
Ching-Hui Chou
GeoGebra
New Resources
GeoGebra笔记功能体验课件
異分母分數減法
柱體建築師
拼砌四邊形
兩位數除以一位數（一）
Discover Resources
cosine graph 變換
變化圖形製作
拋物線4--平行四邊形法
拋物面的光學性質
俄罗斯方块（第二版）
Discover Topics
Ratios
Right Triangles
Statistics
Fractal Geometry
Congruence