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Novosadov [1.4K]
4 years ago
11

three different members of the set {4, 5, 6, 7, 8, 9} are chosen at random and added. how many different sums are possible?

Mathematics
1 answer:
kolezko [41]4 years ago
6 0

Answer: 20

Step-by-step explanation:

4+4     5+5     6+6    7+7    8+8

4+5      5+6    6+7    7+8    8+9

4+6      5+7    6+8    7+9

4+7      5+8    6+9

4+8      5+9

4+9

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