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椭圆内光线的反射
Author:
GeoGebra Institute of WuXi
New Resources
正弦函数自变量的几何显示
三角函数求值 （单位圆、比值）
冲关选18
s2e4_SSA探究_T1
NestedSquare_spreadsheet
Discover Resources
用極座標做時鐘
Mearm2
S2-03-P.14-1
fffffffff
模擬隨機變數的「總和」的副本
Discover Topics
Normal Distribution
Geometric Transformations
Statistical Characteristics
Straight Lines
Integers
