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分數加法
Author:
iedc
GeoGebra
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找出對稱軸
拼砌四邊形
四邊形的特性
兩組對邊相等的四邊形
【案例】2013年安徽高考15题
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Relations Among Trigonometric Ratios 三角比的關係
遊戲與圖像
ghseh 二次函數描點法上下平移-6
Copy of 題 5
HW question locus 4
Angles in a Circle:Property 1
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Diagrams
Perimeter
Bar Chart or Bar Graph
Special Points
Subtraction