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二维仿射变换的矩阵表示
Author:
代国兴 田立新
GeoGebra
GeoGebra
New Resources
畫出對稱圖形
三位數除以一位數（二）
第八周作业
近似值：有效數字
兩位數加法
Discover Resources
長方形和正方形的面積_題A至E
Compare areas by cutting shapes Q1
測試教案 80335 盧沛宏
旋轉4
Pseudo-Hilbert Curve 希爾伯特曲線
Discover Topics
Hypergeometric Distribution
Piecewise Functions
Derivative
Special Points
LCM and GCD