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ptccs2new
Author:
Cheung Wing Chuen
GeoGebra
New Resources
兩位數除以一位數（二）
近似值：有效數字
判斷球體
三位數除以一位數（二）
四邊形的特性
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軌跡五、六︰移動點與兩直線保持相等距離(平行線/角平分線)
Comparing fractions using number lines and rectangles
Test1
Compare areas by cutting shapes Q2
三角形全等的理由 – 題2的副本
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Trigonometry
Equations
Unit Circle
Circumcircle or Circumscribed Circle
Special Points