Question

$9 + 9 + 9 - 6 \times 62 \div 5 - 5 - \div 36635 - 655 - 555$
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Answer 1

Answer:

This is possible because the middle digit will always be 9, and the other two digits will always sum to ... 12, 6, 7, 9. 8, 10, 11, 5. 13, 3, 2, 16 ... Here's a recipe for making your own 3 X 3 magic number square.