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All in one (Centres of triangle)
Author:
Big Lee
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
拼砌四邊形
兩位數除以一位數（一）
找出對稱軸
三位數除以一位數（二）
Discover Resources
Escher 階梯 (Penrose Stair)
點到直線距離
正多邊形各邊中點連線所圍成的圖形v2
Copy of 三角形的面積
Copy of 平行四邊形面積
Discover Topics
Rhombus
Division
Volume
Trapezoid
Cuboid