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Expansion & Factorization 展開與因式分解
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.gmath.hk
New Resources
柱體建築師
算柱 (兩位數)
找出對稱軸
兩位數加法
兩位數除以一位數（二）
Discover Resources
趙庭浩的GGB電子書
西姆松定理推廣(西姆松圓)
P53_3a
尺規作圖
test08
Discover Topics
Subtraction
Calculus
Piecewise Functions
Polygons
Sphere