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圓周 (圖形I)
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。
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New Resources
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
找出對稱軸
GeoGebra笔记功能体验课件
畫出對稱圖形
Discover Resources
交流电的模拟
極限不存在(雙路徑法)
angle
梯形有甚麼特性?
sin(x) 的函數圖形的副本
Discover Topics
Differential Calculus
Random Experiments
Cone
Quadratic Functions
Geometry