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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
兩組對邊相等和有直角的四邊形
找出對稱軸
兩位數加法
球体的体积推导
柱體建築師
Discover Resources
螢橋國中80209傅筱筑
雙曲線的定義
題四
重複
中國火柴遊戲二的副本
Discover Topics
General Quadrilateral
Probability
Median Value
Solids or 3D Shapes
Sequences and Series