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Advent calendar 2019

23 December

Arrange the digits 1-9 in a 3×3 square so the 3-digits numbers formed in the rows and columns are the types of numbers given at the ends of the rows and columns. The number in the first column is today's number.
a multiple of 4
a cube
a multiple of 3
today's numbera cubean odd number

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Tags: numbers, grids

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