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Quiz on Solving Inequalities 解不等式：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
兩組對邊相等的四邊形
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直角坐標平面上的旋轉變換
四邊形的特性
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双曲线
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同心六邊形
方格紙上畫平行四邊形2的副本
最短路径
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