Henry Ernest Dudeney/Puzzles and Curious Problems/321 - Cryptic Addition
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Puzzles and Curious Problems by Henry Ernest Dudeney: $321$
- Cryptic Addition
- Can you prove that the following addition sum is correct?
Click here for solution
Sources
- 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Unclassified Problems: $321$. -- Cryptic Addition
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Unclassified Puzzles: $524$. Cryptic Addition