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模拟时钟
Author:
陈力
Topic:
Rotation
GeoGebra
New Resources
畫出對稱圖形
兩位數加法
四邉形 (四年級) 教師版
兩位數除以一位數(一)
兩組對邊相等的四邊形
Discover Resources
Travel Graph (Two Bodies) 行程圖 (雙物體)
兩個圓的中點軌跡
西瓦定理 (Ceva's Theorem)
題10
QQ空间
Discover Topics
Kite
Quadratic Equations
Triangles
Integers
Inequalities