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TRY_4.11.2016
Author:
Yeung Wing Ying
GeoGebra
New Resources
sanjiaohanshu
兩位數除以一位數（二）
判斷球體
拼砌四邊形
異分母分數減法
Discover Resources
圍棋名人賽
Equal chords and their distances from the centre
優良作品5(盈彤)
碎形六邊形
餘弦函數 y=Cos(x)
Discover Topics
Quadratic Functions
Definite Integral
Translation
Difference and Slope
General Quadrilateral