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Quiz on Interest 利息：測驗
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
畫出對稱圖形
兩組對邊相等的四邊形
第八周作业
画直线等分三角形的面积
拼砌四邊形
Discover Resources
找中點的坐標
立方體與平面截痕１
rotational symmetry_4
試算表纏繞畫
Graph of Trigonometry
Discover Topics
Limits
Tree Diagrams
Functions
Intersection
Inequalities