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相同圖形的拼砌（有兩組平行線的四邊形）
Author:
ho ting chit
GeoGebra
New Resources
拼砌四邊形
三位數除以一位數（二）
算柱 (兩位數)
【案例】2013年安徽高考15题
畫出對稱圖形
Discover Resources
Dividing a Trapezium
判斷柱體 4
三角柱展開
火柴棒
旁心
Discover Topics
Square
Bar Chart or Bar Graph
Ratios
Normal Distribution
Scalene Triangles