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反射原理的副本
Author:
xiaodandan
,
藍邦偉 Blue
GeoGebra
New Resources
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
四邊形的特性
判斷球體
畫出對稱圖形
Discover Resources
阿朗插值多項式
正四角錐(旋轉，實體、透視)
文創花燈
求公切線段長
兩組對邊相等和有直角的四邊形
Discover Topics
Right Triangles
Solids or 3D Shapes
Combinatorics
Natural Numbers
Step Functions