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Search options not deleted user 50

For puzzles about forming numbers using other numbers and mathematical operations. Use with [mathematics]. Puzzles using this tag should carefully specify the allowed operations.

4 votes
6 answers
7k views

Writing numbers puzzle

How do you write 23 using only the number 2? 34 using only the number 3? 56 using only the number 5? 100 using only the number 9? You can use only the numbers said, but any math you want in o …
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