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Q.4 15/5
Author:
Keung
GeoGebra
New Resources
异形操场
折扣
活动三：应用性质
科赫雪花
常见四边形是否是双心四边形
Discover Resources
集合
Angle in alternate segment
National_Flag
滑桿動畫(起始檔案)
公平的切蛋糕 Selfridge-Conway 免嫉妒分法(envy-free cake-cutting)
Discover Topics
Arithmetic
Percentages
Calculus
Power Functions
Division