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GGB9
Author:
王博賢
GeoGebra
New Resources
異分母分數減法
兩位數除以一位數（二）
找出對稱軸
兩位數加法
GeoGebra笔记功能体验课件
Discover Resources
銳角三角函數
正四角錐(可以旋轉， 顯示邊， 選擇透視)
半圓內切球內切圓
釘版
Cross Product for 2D Vectors (平面外積)
Discover Topics
General Quadrilateral
Isosceles Triangles
Integers
Angles
Poisson Distribution