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Direct and Inverse Variation 正變與反變
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
Nested spiral octagon
Earth with coastline
近似值：有效數字
sanjiaohanshu
國旗 (Claude 版)
Discover Resources
PMC 2014-15 ans
分數除法
三角函數圖形（全）
Locus (Parallel lines)
Testing: addition
Discover Topics
Vectors 2D (Two-Dimensional)
Percentages
Surface
Circle
Sphere