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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
Transformation of curves
Probability and Geometry
Polar Reciprocation
Flag in the wind
Converting Percentages to Decimals
Discover Resources
空間中直線AB與X軸歪斜
Jamie_transversaltwo
Mrs. Wagner's Triangle Side Angle Relationships Discovery
Transverse Wave
Construction 4 of Theorem
Discover Topics
Linear Functions
Cone
Differential Equation
Tangent Line or Tangent
Median Value