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实验：测定玻璃的折射率
Author:
J_Yang
GeoGebra
New Resources
兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
【案例】2013年安徽高考15题
判斷球體
【案例】2018年全国1卷理科12题
Discover Resources
任意角的三角比
鉛筆的長度
Pyramid and Cone 2
test
拋體運動
Discover Topics
Arithmetic Mean
Random Experiments
Fractal Geometry
Integers
Parallelogram