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Euler Line 1
Author:
uccke
GeoGebra
New Resources
画直线等分三角形的面积
判斷球體
兩位數加法
兩位數除以一位數（一）
兩組對邊相等的四邊形
Discover Resources
Quiz on Compass Bearings 羅盤方位角：測驗
ex 9
面鏡的反射
area 面積
翰林數學_2下_CH4-1_平行線的特性與定義
Discover Topics
Pie Chart or Circle Chart
Angles
Linear Programming or Linear Optimization
Algebra
Right Triangles