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七巧板奔人
Author:
李春培
七巧板奔人
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等和有直角的四邊形
畫出對稱圖形
錐體建築師
兩位數除以一位數（一）
Discover Resources
Quiz on Addition and Subtraction of Directed Numbers (2) 有向數加減測驗(2)
數學傳播39卷4期, 平面幾何公式思考
S4 Quadratic Function
向外延伸的多邊形
二重積分 (Double Integral)的副本
Discover Topics
Integers
Sine
Right Triangles
Cone
Bar Chart or Bar Graph