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Quiz on Drawing Quadrilaterals 繪畫四邊形:測驗
Author:
Alex CHIK
Topic:
Quadrilaterals
GeoGebra
Note: The quadrilateral specified in the question should best describe your drawing, say, if the question asks for a rectangle, you cannot draw a square. gMath 互動數學教室
http://www.geogebra.hk
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