World!OfNumbers |
WON plate 170 | |
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Use the digit '2' only three times to make 1 2 3 4 5 6 7 8 9 A friend of Michael got the question from his math teacher, but it's too hard to figure out. The actual answer is pretty long to write out, but here's a demonstration of how to get it : Try these on the calculator (you can see the image hereunder).
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A000170 Prime Curios! Prime Puzzle Wikipedia 170 Le nombre 170 |

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