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What is the sum -10 + (-9) + (-8) + ... + 9 + 10 +11 + 12?
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3 votes
What is the sum -10 + (-9) + (-8) + ... + 9 + 10 +11 + 12?

User Veeyikpong
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1 Answer

3 votes

Answer:

23

Explanation:

the numbers from -10 to 10 cancel out, so all that is left is 11+12=23

User Flaschenpost
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