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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

What numbers can you make using each of the digits 1, 2 and 3 (once only) with any add, take, times or divide signs? For example 1x2x3 or 3-21

Answer: -4, -3, -2.5, -2, -1.66..., -1, -0.33..., 0, 0.166..., 0.33..., 0.5, 0.66..., 1, 1.5, 1.66..., 2, 2.33..., 2.5, 3, 4, 5, 6, 7, 8, 9


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