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Author:
军云
GeoGebra
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GeoGebra笔记功能体验课件
四邉形 (四年級) 教師版
四邊形的特性
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
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旋轉對稱
阿波羅圓
Copy of 七巧板
reflectional symmetry_2
微信公众号“sx880A8”第706期中非国旗（Central African Republic）
Discover Topics
Integers
Median Line
Combinatorics
Quadrilaterals
Similarity Transformation or Similarity