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quiz 9.1 2(a)
Author:
lamanleung
GeoGebra
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三位數除以一位數（二）
兩組對邊相等的四邊形
算柱 (兩位數)
小数 的副本
兩組對邊相等和有直角的四邊形
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星球運動模擬
旋转体
Conway's Circle
畫圓
拋物線1--焦點法
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Frequency Distribution
Logic
Equations
Rhombus
Histogram