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BkD_act15_04c
Author:
Luk Sir
GeoGebra
New Resources
比較五件物件的重量
撒针估算面积实验
中华人民共和国国旗
斐波那契螺旋弧线(表格法)
常见四边形是否是双心四边形
Discover Resources
Quiz on Polar Coordinates (2) 極坐標測驗2
整數的減法
判斷柱體11
雙曲線之極偶 / polarity for hyperbola
跳動的愛心-立體版
Discover Topics
Circumcircle or Circumscribed Circle
Logic
Upper and Lower Sum or Riemann Sum
Sine
Trigonometric Functions