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圓周 (圖形G)
Author:
Keith Ko
移動右圖中的紅線到左方虛線，就知道它是相等於左圖的哪條線。
GeoGebra
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兩位數加法
GeoGebra笔记功能体验课件
畫出對稱圖形
兩位數除以一位數（一）
找出對稱軸
Discover Resources
判斷柱體10
拋物線與弦相交的弓形區域
量角器2
畢氏定理1
GGB9
Discover Topics
Addition
Statistical Characteristics
Linear Regression
Arithmetic Operations
Isosceles Triangles