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Mathematics, 05.02.2021 20:30 Giovanni0312

In a small theatre of 21 employees, 8 will be chosen as security, 6 will be chosen to serve food and drinks, and the rest will be ushers. In how many ways can you do this?

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In a small theatre of 21 employees, 8 will be chosen as security, 6 will be chosen to serve food and...
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