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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
三位數除以一位數(一)
【案例】2018年全国1卷理科12题
拼砌四邊形
直角坐標平面上的旋轉變換
球體建築師
Discover Resources
三角形的外角等于与其不相邻的两个内角之和
差的完全平方
正方形和長方形有甚麼特性?
三角形外心
圓圈圈
Discover Topics
Quadratic Functions
Centroid or Barycenter
Quadratic Equations
Diagrams
Hypothesis Testing