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兩數相加
Author:
李俊賢
藉由數線來表示正負數的相加
GeoGebra
New Resources
Silhouettes without gaps and isolated
Multiplication with Area Models
Positive and Negative Space
koch tool
Multiplying 2-Digit x 2-Digit Numbers Using an Area Model (2)
Discover Resources
Activity 12-1
Trigonometría e Introducción a la Estadística
Modulus - linear
Transformations in the plane
sri vidya yantra 3
Discover Topics
Vectors
Rectangle
Logarithm
Probability
Means