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osanseviero

  • 2 years ago

So two problems (just to check if I did them right)

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  1. osanseviero
    • 2 years ago
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    1. There are 9 different students. How many comissions of 3 students can I form? 9C3=84

  2. osanseviero
    • 2 years ago
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    2. A person has 5 coins of different values. ¿How many different additions can I make?

  3. osanseviero
    • 2 years ago
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    How to do this last one?

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