woensdag 4 februari 2015

Nummergrid 1 & 2

Multiplication table - 5
Multiplication table - 2,5
Multiplication table - 3,5
Multiplication table - 3
Multiplication table - 4
Visual representation of multiplication table - 3
spiraling rectangular grid of numbers (starting with 1 at the center)
based on an 'Ulam Spiral'

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