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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
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GeoGebra笔记功能体验课件
兩位數加法
柱體建築師
【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
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題二
Rectangle _03
snooker
内外弦图1
立方体的11种展开图
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Root
Expected Value
Circumcircle or Circumscribed Circle
Intersection
Square