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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
双心四边形
第八周作业2
活动三:应用性质
盈利與虧蝕
龙形曲线-分形龙2
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找動矩形的軌跡
工作紙題1
zuiduan
分页显示及分步显示
S6G6时间轴——历史上的名人
Discover Topics
Area
Natural Numbers
Calculus
Rational Numbers
Interest Calculation