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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
球体的体积推导(优化版)
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
拼砌四邊形
三位數除以一位數(一)
Discover Resources
線性變換
集合
同心多邊形
展開圓面積 (講義版)的副本
正方形纸片剪出正三角形(顶点在边上)
Discover Topics
Histogram
Polygons
Pythagoras or Pythagorean Theorem
Plane Figures or Shapes
Difference and Slope