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PMC 2014-15 Q3
Author:
Arthur Lee
圖中圓形的數目隨n的大小而改變。當n＝6，圖中應該有多小個圓？
GeoGebra
New Resources
近似值：有效數字
算柱 (兩位數)
兩位數加法
錐體建築師
三位數除以一位數（二）
Discover Resources
waaachen
三角形數
拋物線的平移
期末作業(作品集)
angle between 2 planes 02
Discover Topics
Function Graph
Circle
Upper and Lower Sum or Riemann Sum
Unit Circle
Matrices