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正n邊形內角與外角
Author:
李春培
Topic:
Angles
正n邊形內角與外角
GeoGebra
New Resources
三位數除以一位數（二）
第八周作业
兩位數加法
兩位數除以一位數（二）
【案例】2018年全国1卷理科12题
Discover Resources
星球運動模擬
Quiz on Projection of a Line Segment on a Plane 投影：測驗
畢氏定理
三次函數01
学用数学 S0
Discover Topics
Similarity Transformation or Similarity
Differential Equation
Unit Circle
Curve Sketching
Vectors 2D (Two-Dimensional)