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選擇合適的「中間人」
Author:
phcheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩位數除以一位數（二）
異分母分數減法
兩位數加法
三位數除以一位數（一）
判斷球體
Discover Resources
直線方程軌跡
glt-c05-03 正五角錐旋轉
directed number_hot air balloon
集合的小结
素因数分解 Prime Factorization
Discover Topics
Conic Sections
Constructions
Linear Programming or Linear Optimization
General Quadrilateral
Diagrams