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Quiz on Centres of Triangles 三角形的中心：測驗
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.gmath.hk
New Resources
圓周公式的應用
三位數除以一位數（二）
垂直線的斜率
平行線的斜率
画直线等分三角形的面积
Discover Resources
好玩的輪盤
cute panda
餘弦函數y=cos(x)的泰勒級數
venn图
翰林數學_2下_CH3-2_RHS證明
Discover Topics
Functions
Normal Distribution
Limits
Rational Numbers
Conic Sections