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Not Roman numerals

The letters \(I\), \(V\) and \(X\) each represent a different digit from 1 to 9. If
$$VI\times X=VVV,$$
what are \(I\), \(V\) and \(X\)?

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If you enjoyed this puzzle, check out Sunday Afternoon Maths LXVII,
puzzles about numbers, or a random puzzle.

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