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Use +, -, /, * to prove 4__4__4__4 = 20

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It's a challenge...

4___4___4___4 = 20

Use +, -, /, * to solve it.

posted Jul 22, 2014 by anonymous

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+1 vote

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.
0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

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