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鏡射矩陣
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
球體建築師
拼砌四邊形
兩組對邊相等的四邊形
三位數除以一位數（一）
球体的体积推导（优化版）
Discover Resources
Proof of Pythagoras Theorem(1) 畢氏定理的証明(1)
優良作品5(盈彤)
Apollonius Problem 10 CCC wiki step 2
angle sum of triangle
聖者即正義
Discover Topics
Difference and Slope
Vectors
Angles
Statistics
Exponential Functions