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OpenStudy (anonymous):
the sum of the first 6 positive even numbers
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OpenStudy (antonio_xx2):
2 + 4 + 6 + 8 + 10 + 12 = 42
OpenStudy (cj49):
n=6, first number a =2 last number = 12 d=diff n/2(2a+(n-1)d) 6/2(4+(6-1)2) =42
OpenStudy (kainui):
What is a sum? What is an even number? What is a positive number?
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