I assume that sudoku puzzles are generated by a computer programmed to produce grids with the numbers 1-9 in the horizontal rows, the vertical columns and the 9-square boxes. How are numbers then...
my daughter is doing her maths homework. She has four 2`s ie 2,2,2,2 and she has to make sums to total 5,7,9 and 11. she can do the even numbers but is stuck with the odd numbers eg (2x2x2)/2=4...