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根據百分率找數量（一）: 例4的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩位數除以一位數（二）
錐體建築師
球體建築師
四邊形的特性
兩位數除以一位數（一）
Discover Resources
中線定理(阿波羅尼奧斯)定理
教學－與直線有關的角
How to draw a hexagon with ruler and compasses?
圈柱(可調整內半徑、外半徑，柱高)
ANG_ FIRST_GGB
Discover Topics
Complex Numbers
Linear Programming or Linear Optimization
Natural Numbers
Hypergeometric Distribution
Geometric Transformations