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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
Multiplication Area Model with Feedback: 2 Digit by 2 Digit Number
seo tool
Rolling Triangle
The black friday GeoGebra :)
Exploding cube
Discover Resources
Secant
Sum of Exterior Angles by Contraction
Construct a 45 degree angle
Colorful car
Suri spinning spiral2
Discover Topics
Vectors 2D (Two-Dimensional)
Confidence Interval
Tangent Line or Tangent
Arithmetic Operations
Exponent