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正方形和長方形有甚麼特性？
Author:
Anthony OR 柯志明
GeoGebra
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【案例】2018年全国1卷理科12题
三位數除以一位數（二）
圓周公式的應用
讀磅
兩位數加法
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正七邊形
三心：與三角形形狀的關係
三角形的內角、外角、內角和與外角和
翰林B4講p171_類8
吱吱喳喳
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Vectors 3D (Three-Dimensional)
Stochastic Process or Random Process
Similar Triangles
Secant Line or Secant
Circle