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巧算面积演示
Author:
math Ku
Topic:
Area
GeoGebra
New Resources
画直线等分三角形的面积
第八周作业
兩位數除以一位數（一）
拼砌四邊形
三位數除以一位數（一）
Discover Resources
Trigonometric Ratios: Sine 三角比：正弦
Quiz on Scientific Notation
Geometric Circle
Quiz on Simplifying Monomials 化簡單項式：測驗
畢氏定理的圖形證明法
Discover Topics
Special Points
Equilateral Triangles
Median Line
Rectangle
Solids or 3D Shapes