Welcome to a *brand-new* selection of number square puzzles, the puzzle that will test your mental arithmetic to the max The rules of number square puzzles are quite simple, and are as follows: - Enter the numbers from 1 - 9 once each into the puzzle grid, so as to complete the maths sums that read across and down the puzzle grid. - You must always perform your calculations from top to bottom, and from left to right. This means that you will not always...
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