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Which expression is equal to p+p+q+q+r+r
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2 votes
Which expression is equal to p+p+q+q+r+r

User Martin Dusek
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2 Answers

3 votes
2(p+q+r)
2p+2q+2r is fine, but it is long
User Andy Schweig
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8.2k points
2 votes
2p+2q+2r is equal to p+p+q+q+r+r
User Gruuuvy
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