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竞猜游戏：说出图中角的大小
Author:
张志勇
Topic:
Angles
GeoGebra
New Resources
sanjiaohanshu
國旗 (Claude 版)
四邊形的特性
美國國旗 (Codex 版)
第八周作业
Discover Resources
均分除法（分數÷整數）
task8
ie 7
外心
一般變換的副本
Discover Topics
Geometric Transformations
Random Variables
Pythagoras or Pythagorean Theorem
Cylinder
Random Experiments