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三角形三边关系探究
Author:
fei zhao
Topic:
Triangles
分辨率1280x720
GeoGebra
2020年7月
New Resources
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等的四邊形
三位數除以一位數（二）
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
Discover Resources
直方圖_for_student
Addition and Subtraction of Directed Numbers (1) 有向數加減(1)
三角函數名稱的由來
用面積逼近圓周率的副本
巧算周界
Discover Topics
Orthocenter
Constructions
Fractal Geometry
Random Experiments
Exponential Functions