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優良作品1(沛綺)
Author:
Ching-Hui Chou
GeoGebra
New Resources
三位數除以一位數（二）
球体的体积推导
判斷球體
柱體建築師
四邉形 (四年級) 教師版
Discover Resources
偏導數、切平面、梯度
Relations Among Trigonometric Ratios 三角比的關係
遊戲與圖像
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
-3 ≤ cosA+cosB+cosC ≤ 3/2
作图模板
Discover Topics
Interest Calculation
Triangles
Addition
Mathematics
Polygons