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Mathematics, 09.07.2019 21:40 mariahough

Agroup of 48 friends meets for lunch. they greet each other by exchanging fist bumps. how many fist bumps are exchanged if each friend must bump with each of the 47 others?

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Agroup of 48 friends meets for lunch. they greet each other by exchanging fist bumps. how many fist...
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