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Author:
胡亦行
GeoGebra
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异形操场
百分數及其應用
斐波那契螺旋弧线(表格法)
椭圆内切圆链
盈利與虧蝕
Discover Resources
HKJHGJHG
Box method for multiplication
兩點距離
直角三角形斜邊上的高小於斜邊的一半
直线倾斜角与斜率的副本
Discover Topics
Random Variables
Functions
Perimeter
Reflection
LCM and GCD