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錐體的橫截面
Author:
SIN MING WONG
,
Anthony OR 柯志明
拖拉藍點，觀察錐體的橫截面。
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
找出對稱軸
異分母分數減法
兩位數除以一位數（一）
畫出對稱圖形
Discover Resources
Clock
認識函數圖形
在試算表中使用按鈕、下拉式選單、勾選框
基本函數
projection01 by Mr LO WY
Discover Topics
Triangles
Square
Rectangle
Unit Circle
Trigonometry