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七巧板奔人3
Author:
李春培
七巧板奔人3
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
拼砌四邊形
兩位數除以一位數（一）
算柱 (兩位數)
Discover Resources
範例：畫圈圈的筆
利用按扭製作控制動畫的開關
切線段等長
How to draw an ennegon with ruler and compasses?
完全图
Discover Topics
Cosine
Planes
Continuity
Step Functions
Subtraction