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鏡面反射光線
Author:
紀老師
鏡面反射光線的動畫 入射角=反射角
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
兩位數加法
直角坐標平面上的旋轉變換
第八周作业
四邊形的特性
Discover Resources
四則運算
Proof2 周子翔
Geometry: Angles Sum of Triangle (幾何：三角形內角和)
圆的面积展开的副本
a>1, y=Log(a,x) and y=a^x 有可能0,1,2交點!? 的複本
Discover Topics
Linear Programming or Linear Optimization
Equations
Geometric Distribution
Symmetry
Function Graph