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Copy of 梯形
Author:
catherinecpc
,
Chan Ting Hin
Topic:
Trapezoid
GeoGebra
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拼砌四邊形
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
四邊形的特性
【案例】圆柱体内放置一个大球六个小球
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題 7
自製座標軸箭頭與標籤
Copy of Liu Hui's Method of Finding π
最短距離
讀磅
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Continuity
Equilateral Triangles
Mathematics
Addition
Median Value