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圖形的內部、外部與周界

Author:均一

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第八周作业
sanjiaohanshu
球體建築師
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形

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邊長與三角形數學教室(1/4)
封閉圖形填顏色
△ A B E △ABE 、 △ A C E △ACE 的內切圓半徑分別為 r 2與 r 1,兩者可以互換嗎
s1118931
Copy of 倒數計時

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Centroid or Barycenter
Angles
Rhombus
Parallelogram
Sequences and Series

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