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數線(最大值:1000)
Author:
Cychoy
GeoGebra
New Resources
判斷球體
三位數除以一位數（二）
找出對稱軸
兩位數加法
拼砌四邊形
Discover Resources
固定三角形的條件−題2
線之極點定理 / pole of a line theorem
Geometry Exercises
Problem1:(md+me+mf)/(ad+be+cf)=a
比較利益
Discover Topics
Ratios
Rotation
Parabola
Geometric Transformations
Polygons