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inkyvoyd

  • 3 years ago

In how many ways can 13 be written as the sum of 4 distinct positive integers?

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  1. inkyvoyd
    • 3 years ago
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    Order does not matter. I hate you, combinatorics.

  2. robtobey
    • 3 years ago
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    distinct? like none of the four digits are the same?

  3. inkyvoyd
    • 3 years ago
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    I'm not sure actually. Is it easily possible to solve for either case? I do know that the order of the numbers does NOT matter.

  4. robtobey
    • 3 years ago
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    A solution using Mathematica 9 is attached.

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  5. inkyvoyd
    • 3 years ago
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    Niice.

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