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Proof of Pythagoras Theorem(1) 畢氏定理的証明(1)
Author:
Alex CHIK
Topic:
Pythagoras or Pythagorean Theorem
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
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兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
兩位數除以一位數（二）
異分母分數減法
兩位數除以一位數（一）
Discover Resources
chapter1
Apollonius Problem 7 CCP Inversion simple 12
兩圓外公切線
正多邊形邊上點旋轉
碎形
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Median Value
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