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Life Examples of Quadratic Functions 生活中的二次函數
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
拼砌四邊形
算柱 (兩位數)
三位數除以一位數（一）
四邊形的特性
球体的体积推导（优化版）
Discover Resources
四心的變化II
標準差：測驗
雜類(Miscellaneous)
Why same areas?
切割線性質
生长弧
Discover Topics
Trigonometry
Linear Equations
Differential Calculus
Square
Integral Calculus