Can you solve it? Yule devour these festive treats
by Alex Bellos from on (#5SF0J)
Advent(ures) in numberland
UPDATE: The answers can be read here
Every year the remarkable maths website Mathigon runs a puzzle advent calendar, publishing a problem a day from December 1 to 24. I've had a peek at this year's puzzles and selected three of the ones I liked the most.
1. The seven digits
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