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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
兩組對邊相等和有直角的四邊形
近似值：有效數字
找出對稱軸
長方體平面投影 (Codex版)
算柱 (兩位數)
Discover Resources
deductive geometry
橢圓
Estimating Mean 猜猜平均數
gjh-g05-01 平方差公式
面積2
Discover Topics
Continuity
Normal Distribution
Vectors
Definite Integral
Mathematics