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旋轉矩陣
Author:
羅驥韡 (Pegasus Roe)
Topic:
Matrices
GeoGebra
New Resources
兩位數除以一位數（一）
兩組對邊相等的四邊形
算柱 (兩位數)
四邉形 (四年級) 教師版
畫出對稱圖形
Discover Resources
thm 11,12
Angle (Extended 2)
餘弦公式2
z=sin(sqrt(x^2+y^2))
Drag me~
Discover Topics
Standard Deviation
Linear Regression
Differential Equation
Triangles
Root