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平行3
Author:
Hui Sir
GeoGebra
New Resources
GeoGebra笔记功能体验课件
兩位數加法
判斷球體
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
Discover Resources
PMC 2014-15 Q1
減法運算
任何三角形內角和180度(五上數翰４－２)
旋轉的副本
单位圆画三角函数图像的副本
Discover Topics
Addition
Optimization Problems
Means
Set Theory
Cuboid