Questions tagged [missing-digits]

A puzzle involving a calculation from which some digits have been removed. Different from an [alphametic] in that it is not specified which digits are the same or different from each other.

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How many digits can be removed from a multiplication puzzle and still give only one answer?

There's a common category of mathematical puzzle which involves determining missing numbers in a long multiplication problem. As an example from this site (problem 10): ...
5
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2answers
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How many digits can be removed from a division puzzle?

Similarly to How many digits can be removed from a multiplication puzzle and still give only one answer? I am curious about division puzzles. I know this puzzle: . It has only 2 out of 42 digits $\...