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There are 8 players in a chess tournament. after the tournament each player has to shake hands with e
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There are 8 players in a chess tournament. after the tournament each player has to shake hands with e

User Azelcer
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There are 8 players in a chess tournament. After the tournament each player has to shake hands with every other player. Which number sentence below is the best way to show the number of handshakes?
Answer :
7+6+5+4+3+2+1= 28
User Mike Jablonski
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