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幾何作業
Author:
陳兪宏
GeoGebra
New Resources
平行線的斜率
三位數除以一位數（二）
讀磅
兩位數除以一位數（二）
空间中两直线的位置关系
Discover Resources
六年級
String Art
semicircle
製作對稱圖形 level 2
重叠形成的四边形
Discover Topics
Arithmetic
Binomial Distribution
Vectors 2D (Two-Dimensional)
Difference and Slope
Parallelogram