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Subjects>Math>Other Math

How 1 5 6 7 equals 21?

Anonymous

∙ 15y ago

Updated: 4/28/2022

The answer is 6 / (1-5/7).

1- 5/7 = 2/7

6 / (2/7) = 6 * (7/2) = (6*7)/2 = 42/2 = 21.

Simples!

Wiki User

∙ 15y ago

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