Sunday, 11 January 2015

Find the answer

1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1
1 + 1 + 1 + 1 + 1-1+1 + 1 + 1 + 1

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