Each row, each column and each of the bold 2 by 3 rectangles in the grid has to contain each of the numbers 1, 2, 3, 4, 5 and 6 (one number in each cell). What number should go in the cell marked ?
Select one option, then click Submit.
1
2
3
4
6
Select an option, then submit.
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Junior Mathematical Challenge (2019)
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