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数学勾股定理
Author:
xuhao
GeoGebra
New Resources
判斷球體
三位數除以一位數（二）
兩位數除以一位數（二）
GeoGebra笔记功能体验课件
球体的体积推导（优化版）
Discover Resources
Verification of Pythagoras Theorem 驗証畢氏定理
中線定理(阿波羅尼奧斯)定理
angles sum of a triangle 1
同位角
reflectional symmetry_3
Discover Topics
Arithmetic Operations
Upper and Lower Sum or Riemann Sum
Set Theory
Functions
Diagrams