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How can you use 4 9's to make 51?

Updated: 8/18/2019
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10y ago

Best Answer

[(√9)! X (√9)!] + 9 + (√9)! = [6 X 6] + 9 + 6 = 51

Note: It can also be done with just three 9s.

[(√9)! x 9] - √9 = [6 x 9] - 3 = 51

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10y ago
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Q: How can you use 4 9's to make 51?
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