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最小周長
Author:
張丰耘
GeoGebra
New Resources
近似值：有效數字
判斷球體
四邊形的特性
拼砌四邊形
直角坐標平面上的旋轉變換
Discover Resources
掃描不等式 (講義版)
時鐘小幫手
俄羅斯方塊
正角柱體
同位角__水平平行綫
Discover Topics
Conic Sections
Optimization Problems
Cylinder
Complex Numbers
Trigonometry