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橢圓內的光線反射 獻給聰哥
Author:
宋政蒲
Topic:
Ellipse
,
Reflection
橢圓內的光線反射
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
兩位數除以一位數（一）
找出對稱軸
兩位數加法
拼砌四邊形
Discover Resources
Homework5
空間坐標
功課'
随机模拟实验（撒豆子估算π）的副本
单叶双曲面-双叶双曲面
Discover Topics
Ratios
Vectors 3D (Three-Dimensional)
Combinatorics
Equilateral Triangles
Isosceles Triangles