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Heron's Formula 希羅公式
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
Pythagorean Theorem: Extension Exercises
Function art 3D - waiting shed
What Do You See? (2)
Parabolas, Lines and Nomograms
רישום חופשי
Discover Resources
david
final project 3
Three Altitudes
Area of a triangle
Polar Reciprocals: A Cardiod and A Parabola
เรือน้อยควรออกจากฝั่ง
Discover Topics
Upper and Lower Sum or Riemann Sum
Parallelogram
Interest Calculation
Stochastic Process or Random Process
Parametric Curves