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線性組合
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
異分母分數減法
兩位數加法
兩組對邊相等和有直角的四邊形
球體建築師
兩組對邊相等的四邊形
Discover Resources
有趣的反例
棋盤的 L 形覆蓋
中垂線性質
數列
因數（1至24）
Discover Topics
Geometric Distribution
Statistical Characteristics
Set Theory
Subtraction
Variance