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ptcc trigo level 2
Author:
Cheung Wing Chuen
GeoGebra
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画直线等分三角形的面积
算柱 (兩位數)
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
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GGB5_3D:展開圖
認識函數值(隨機出題)
Question 1(Angle)
vit3301
時鐘
表内除法
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Indefinite Integral
Complex Numbers
Circle
Square
Logarithmic Functions