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正角、負角|Positive angles & Negative angles
Author:
Ricky LI
,
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
四邊形的特性
近似值：有效數字
Nested spiral octagon
拼砌四邊形
小数 的副本
Discover Resources
有趣的反例
線對稱圖形練習1
小數試用
認識線型函數
二次曲線-2.拋物線
Discover Topics
Linear Regression
Logarithmic Functions
Addition
Symmetry
Vectors 2D (Two-Dimensional)