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Question 3
Author:
Shum Kwok Ching
,
GeoGebra Institute of Hong Kong
Topic:
Area
GeoGebra
New Resources
近似值：有效數字
拼砌四邊形
直角坐標平面上的旋轉變換
判斷球體
找出對稱軸
Discover Resources
cubes
sine graph (reduce to 1/2 and then translate leftward by 15 degree)
格子點
最新的解一元二次方程式方法
元旦快乐（制作：孟宝兴）
Discover Topics
Tangent Function
Orthocenter
Arithmetic Operations
Root
Means