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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

Draw a square then draw a square on each of its sides. Which 5 different numbers from 0 to 9 can be put in the squares so that the 4 outside numbers add up to the middle number?

Answer: 0, 1, 2, 3, 6; etc


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