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HKDSE 2015 by Mr LO WY
Author:
tcchan
GeoGebra
New Resources
四邊形的特性
兩位數加法
三位數除以一位數（二）
小数 的副本
四邉形 (四年級) 教師版
Discover Resources
第一本
繡曲線
zuiduan
sine graph (reduce to 1/2 and then translate leftward by 15 degree)
正方形
Discover Topics
Median Line
Function Graph
Integral Calculus
Integers
Fractal Geometry