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Advent calendar 2016

7 December

Put the digits 1 to 9 (using each digit once) in the boxes so that the three digit numbers formed (reading left to right and top to bottom) have the desired properties written by their rows and columns.
multiple of 25
today's number
all digits even
multiple of 91multiple of 7cube number
Tags: grids, numbers

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multiplication star numbers chalkdust crossnumber christmas remainders mean crossnumbers sequences perfect numbers probability pascal's triangle chess ave volume area circles probabilty coordinates planes calculus means graphs triangle numbers cube numbers proportion games perimeter indices integration cryptic clues cards algebra squares dice angles hexagons addition square numbers geometry prime numbers scales complex numbers sum to infinity books number logic multiples division sport wordplay dodecagons unit fractions functions rugby people maths averages shape regular shapes partitions percentages sums taxicab geometry spheres lines cryptic crossnumbers parabolas dates advent polygons crosswords factors irreducible numbers 3d shapes surds trigonometry symmetry differentiation triangles ellipses quadratics floors money clocks fractions 2d shapes square roots time shapes numbers colouring palindromes doubling routes coins digits folding tube maps bases integers speed arrows balancing grids factorials odd numbers chocolate menace rectangles

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