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"拈" 類遊戲之一-搶21遊戲 The 21 game
Author:
侯杰材
GeoGebra
New Resources
判斷球體
直角坐標平面上的旋轉變換
第八周作业
拼砌四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
Number of solutions of two straight lines
平行六面體
勒洛三角形頂點B軌跡
根據百分率找數量（一）: 例4的副本
圓周 (圖形D) 的複本
Discover Topics
Correlation
Step Functions
Perimeter
Curve Sketching
Incircle or Inscribed Circle