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(3*3/(3*3+1))*(3*5/(3*5+1))*(3*7/(3*7+1))*(3*9/(3*9+1)) > 3/4
(3*3/(3*3+1))*(3*5/(3*5+1))*(3*7/(3*7+1))*(3*9/(3*9+1)) > 3/4
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