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P2 時距計算機 ( 觀察時針改變)
Author:
Chan Pui Chuen
GeoGebra
New Resources
龙形曲线-分形龙2
第八周作业1
撒针估算面积实验
科赫雪花
盈利與虧蝕
Discover Resources
Proof of Pythagoras Theorem(1) 畢氏定理的証明(1)
圓外切四邊形對邊和等長
謝爾賓斯三角形
圓錐
正四角錐
Discover Topics
Limits
Logarithmic Functions
Inequalities
Angles
Upper and Lower Sum or Riemann Sum