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Dividing in a Ratio 按比分物
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.gmath.hk
New Resources
兩組對邊相等的四邊形
兩位數除以一位數（一）
四邊形的特性
球體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
Probability(概率）
Direct and Inverse Variation 正變與反變
雙曲線
橢圓的定義（by Jutor）
求三棱锥体积
Discover Topics
Special Points
Cone
Similar Triangles
Polygons
Stochastic Process or Random Process