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tan(x) = x
Author:
羅驥韡 (Pegasus Roe)
Topic:
Trigonometric Functions
GeoGebra
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兩位數除以一位數（二）
柱體建築師
近似值：有效數字
兩組對邊相等的四邊形
錐體建築師
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Apollonius Problem 8 CLL scaling 12
彈幕
比例中的定值問題(三)
劉徽的「割圓術」的副本
【案例】2013年安徽高考15题
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Planes
Subtraction
Geometric Transformations
Pythagoras or Pythagorean Theorem
Numbers