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時距計算機 (時針改變)
Author:
Chan Pui Chuen
Topic:
Mathematics
GeoGebra
New Resources
兩位數加法
找出對稱軸
兩組對邊相等的四邊形
拼砌四邊形
四邊形的特性
Discover Resources
三角形的三心觀察站
老師~這樣算另一種嗎??
正四角錐兩側面夾角
找规律（数阵与点阵）
立面化設計
Discover Topics
Power Functions
Geometric Mean
Coordinates
Arithmetic Operations
Statistical Characteristics