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\binom{34}{6}/ \binom{40}{6} - (\binom{3}{1} * \binom{40 - 15}{5} / \binom{40}{6}
\binom{34}{6}/ \binom{40}{6} - (\binom{3}{1} * \binom{40 - 15}{5} / \binom{40}{6}
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