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动态三角形
Author:
GeoGebra Institute of WuXi
if指令的应用
GeoGebra
New Resources
算柱 (兩位數)
近似值：有效數字
找出對稱軸
長方體平面投影 (Codex版)
畫出對稱圖形
Discover Resources
正三角形的旋轉2
與三半圓相切之圓填色
圓環
圓上的角任務(一): 提示卡(二)
函数作图工具的副本
Discover Topics
Difference and Slope
Step Functions
Equilateral Triangles
Diagrams
Centroid or Barycenter