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陳林本proof53
Author:
郭亮偉
GeoGebra
New Resources
異分母分數減法
漂亮的摇摆曲线
兩位數除以一位數（二）
兩位數加法
第八周作业
Discover Resources
愛心
正方形與長方形
compare angle by Mr LO WY
畢氏定理圖證01
雙曲線3-等軸法
Discover Topics
Geometric Mean
Equilateral Triangles
Geometric Transformations
Translation
Combinatorics