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Mathematics, 04.11.2020 18:00 repirce4238

The code of Ethan's home lock is simple: it is a two-digit number. The problem is, Ethan forgot what the number is! He still remembers, however, that the first digit is 2, 3, or 4, and the second digit is 5, 6, 7, or 8. List all numbers that might be the lock code.

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