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七巧板的副本
Author:
任向青
,
LPK
1.按圖移動 2.按點轉圖形
GeoGebra
拼一隻動物
New Resources
異分母分數減法
兩位數加法
算柱 (兩位數)
四邉形 (四年級) 教師版
畫出對稱圖形
Discover Resources
GAUSSTEAM
畢氏定理動畫
公倍數與最小公倍數（L.C.M.）
基础知识
[洋葱] 二次函数中的将军饮马-下-Q2
Discover Topics
Similar Triangles
Rational Numbers
Plane Figures or Shapes
Stochastic Process or Random Process
Statistical Characteristics