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優良作品2(怡雯)
Author:
Ching-Hui Chou
GeoGebra
New Resources
找出對稱軸
兩位數除以一位數（一）
球體建築師
sanjiaohanshu
拼砌四邊形
Discover Resources
北區模考非選第二題 (2014.03.06)
test
[S2] a revised version of Jane’s GeoGebra file (modified by the author)
操場
学习几何
Discover Topics
Sequences and Series
Special Points
Inequalities
LCM and GCD
Circumcircle or Circumscribed Circle