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| Seven positive numbers (Posted on 2019-04-22) |
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Seven positive integers are written on a piece of paper. No matter which five numbers one chooses, each of the remaining two numbers divides the sum of the five chosen numbers.
How many distinct numbers can there be among the seven?
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Date |
 | Solution | Brian Smith | 2023-03-02 13:11:03 |
 | Solution? | Jer | 2019-04-23 16:00:59 |
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