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七巧板
Author:
LPK
1.按圖移動 2.按點轉圖形
GeoGebra
New Resources
兩組對邊相等的四邊形
兩位數加法
畫出對稱圖形
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
Discover Resources
正方形的旋轉2
扇形概念與面積
第一冊
精馏
Copy of 角平分線分點比例
Discover Topics
Vectors 3D (Three-Dimensional)
Polygons
Mathematics
Cone
Percentages