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Apollonius Problem 7 CCP poncelet
Author:
tkyggb
GeoGebra
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【案例】2013年安徽高考15题
兩位數加法
兩位數除以一位數（二）
【案例】2018年全国1卷理科12题
第八周作业
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Proof of Pythagoras Theorem(1) 畢氏定理的証明(1)
分蛋糕
反演
工具：PlaneText, PlaneArrow
斜率是定值
Discover Topics
Difference and Slope
Equations
Rational Numbers
Triangles
Coordinates