Challenge 10: Pandigital Puzzles
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Challenge 10, Part 1:Challenge 10, Part 2:Challenge 10, Part 3: |
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Follow-up Challenges
- Suppose we eliminate the digit 0 and instead use only the digits 1 through 9. Build an addition problem (using each digit exactly once) in which two three-digit numbers add up to a third three-digit number. How many solutions can you find?