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边长可变的正三角形上莱洛转子的滚动
Author:
朱亮
Topic:
Equilateral Triangles
,
Rotation
,
Sequences and Series
GeoGebra
New Resources
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
GeoGebra笔记功能体验课件
四邉形 (四年級) 教師版
兩位數除以一位數(一)
Discover Resources
Area of Parallelogram
正三角形內一點到三頂點的距離
時鐘問題
時鐘與數學
莱洛三角形的互滚
Discover Topics
Quadratic Equations
Binomial Distribution
Bar Chart or Bar Graph
Triangles
Pie Chart or Circle Chart