Asked by Linda
Find the sum of the first 1001 terms excluding all multiples of 7
Answers
Answered by
oobleck
terms of what? If you just mean the first 1001 integers, then
find how many multiples of 7 there are. Say, n of them
Then you want
1001*1002/2 - 7n
find how many multiples of 7 there are. Say, n of them
Then you want
1001*1002/2 - 7n
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