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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
直角坐標平面上的旋轉變換
兩位數除以一位數（一）
sanjiaohanshu
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時鐘問題
任意四邊形１比３
向日葵
夜市麻將模擬機2
向外延伸的多邊形
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Triangles
Sequences and Series
Linear Programming or Linear Optimization
Ellipse
Rectangle