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62326 旋轉長方形
Author:
呂麗珠
GeoGebra
New Resources
兩位數除以一位數（一）
兩位數加法
兩位數除以一位數（二）
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
Discover Resources
正六面體
擴分
翰林B4講p192-例1
All in one (Centres of triangle)
ycmc P5 Math lesson 1-3
Discover Topics
Similar Triangles
LCM and GCD
Boxplot
Curve Sketching
Tree Diagrams