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HKDSE 2015 by Mr LO WY
Author:
tcchan
GeoGebra
New Resources
四邊形的特性
兩組對邊相等的四邊形
兩位數除以一位數（二）
判斷球體
異分母分數減法
Discover Resources
T4 Geobra
複合圖形表面積(一)
奈格爾點
擴分和約分
【物理】引力波
Discover Topics
Angles
Circle
Volume
Step Functions
Circumcircle or Circumscribed Circle