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"拈" 類遊戲之一-搶21遊戲 The 21 game
Author:
侯杰材
GeoGebra
New Resources
第八周作业
直角坐標平面上的旋轉變換
拼砌四邊形
兩位數除以一位數（二）
找出對稱軸
Discover Resources
Time
三角形內部一點到三頂點距離和最小
地球－完整球面
黃金三角形
公平的切蛋糕 Selfridge-Conway 免嫉妒分法(envy-free cake-cutting)
Discover Topics
Logarithmic Functions
Matrices
Scalene Triangles
Plane Figures or Shapes
Upper and Lower Sum or Riemann Sum