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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
兩位數除以一位數（一）
三位數除以一位數（二）
拼砌四邊形
【案例】2018年全国1卷理科12题
GeoGebra笔记功能体验课件
Discover Resources
和的完全平方
江苏省职校数学网络资源
正三角形
Measuring areas by placing different shapes
到原點的距離為整數值的副本
Discover Topics
Cylinder
Linear Functions
Straight Lines
Derivative
Variance