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黃金矩形
Author:
vinnyya
GeoGebra
New Resources
兩位數加法
【案例】2018年全国1卷理科12题
兩位數除以一位數（二）
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
Bearings 方位
曲線下面積
二重積分 (Double Integral)的副本
圆之吻（Apollonius circles）
异形操场
Discover Topics
Rational Numbers
Matrices
Scalene Triangles
Piecewise Functions
Vectors 2D (Two-Dimensional)