SOLUTION: What is the sum of consecutive odd numbers between 1 ans 20

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Question 836387: What is the sum of consecutive odd numbers between 1 ans 20
Answer by Alan3354(69443) About Me  (Show Source):
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What is the sum of consecutive odd numbers between 1 ans 20
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There are 10 of them, 1...19
Make 5 pairs, 1+19, 3+17, etc
Each pair = 20
5*20 = 100
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You might notice that's 10^2