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立體
Author:
tan90
GeoGebra
New Resources
算柱 (兩位數)
GeoGebra笔记功能体验课件
球体的体积推导(优化版)
兩組對邊相等和有直角的四邊形
兩位數加法
Discover Resources
二年級-柱體的觀察
角錐及展開圖
學習活動三聯立不等式的圖形
翰林數學_2下_CH3-2_RHS證明
拼砌四邊形
Discover Topics
Pythagoras or Pythagorean Theorem
Division
Sine
Percentages
Surface