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Ratio & Proportion 比與比例
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.gmath.hk
New Resources
Ellipse, Hyperbola and Circle as Envelopes
Limaçon / Cardioid as a Locus - A Classical Construction
"Compressed" Astroid as Envelope
Witch of Agnesi - A Classical Construction
Introduction
Discover Resources
Tangent to a Circle
histo
Problem 79
william morris fabric
การแยกตัวประกอบ
Discover Topics
Plane Figures or Shapes
Kite
Median Value
Probability
Rotation