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三圓外切2
Author:
AlexWang
GeoGebra
New Resources
球體建築師
兩位數加法
四邊形的特性
找出對稱軸
算柱 (兩位數)
Discover Resources
龍騰4_1-1課進9
基本檔
Quiz on Mixed Arithmetic Operations of Positive Integers 正整數四則混合運算：測驗
生活中的平面圖形─角的性質
拋物線5--包絡線法
Discover Topics
Vectors 3D (Three-Dimensional)
Tangent Function
Perimeter
Polynomial Functions
Algebra