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Puzzle of the Day

These puzzles are also printed in Eight days a week, a booklet published by the Association of Teachers of Mathematics.The Association of Teachers of Mathematics

Can you make 100 using five ones? You can put some of the digits together for instance 111 and you can use add, take, times or divide and brackets. Try using more or less than 5 of them and try other digits.

Answer: 111-11

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