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probwei1

Author:nojh

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兩組對邊相等的四邊形
sanjiaohanshu
兩組對邊相等和有直角的四邊形
拼砌四邊形
畫出對稱圖形

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園內接三角形
相似三角形
Copy of 固定周界的長方形的面積變化
圓內冪性質
「相似三角形」任务1的副本

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Statistics
Functions
Limits
Secant Line or Secant
Congruence

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