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三角形
Author:
cherry910502
Topic:
Triangles
GeoGebra
New Resources
找出對稱軸
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
畫出對稱圖形
判斷球體
Discover Resources
gct-a01-jc091v1-27 三角形旋轉
劉徽的「割圓術」
七巧板（tangram）的副本
椭圆内部全等的双椭圆构造.许兴华数学
二次函數中常數項所扮演的角色：向上移動的副本
Discover Topics
Combinatorics
Scalene Triangles
Median Line
Difference and Slope
Linear Equations