Pages that link to "Henry Ernest Dudeney/Puzzles and Curious Problems/168 - Mental Arithmetic/Solution"
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The following pages link to Henry Ernest Dudeney/Puzzles and Curious Problems/168 - Mental Arithmetic/Solution:
Displayed 4 items.
- Henry Ernest Dudeney/Puzzles and Curious Problems/168 - Mental Arithmetic (← links)
- Henry Ernest Dudeney/Puzzles and Curious Problems/165 - The Postage-Stamps Puzzle/Solution (← links)
- Henry Ernest Dudeney/Puzzles and Curious Problems/167 - The Cancelled Cheque/Solution (← links)
- Henry Ernest Dudeney/Puzzles and Curious Problems/168 - Mental Arithmetic/Mistake (← links)