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综合题(1) 2.
Author:
Sylvie
GeoGebra
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三角函数 的副本
平行線的斜率
多邊形的面積
圓的基本性質
折扣
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蝴蝶定理推廣證明2(交比)
包絡線2
gjc090c23 圓內三角形與角度
加法
微信公众号“sx880A8”第733期吉布提国旗République de Djibouti
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Statistics
Incircle or Inscribed Circle
Polygons
Scalene Triangles
Means