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ie 7
Author:
LAM YU SANG
GeoGebra
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兩組對邊相等和有直角的四邊形
拼砌四邊形
畫出對稱圖形
三位數除以一位數(二)
【案例】2013年安徽高考15题
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繪圖練習
下和
MFS: Rebound 4
gmj106a13 八角錐
圖形的周界
Discover Topics
Cosine
Quadratic Equations
Conic Sections
Confidence Interval
Means