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Add two consecutive numbers in a colum and repeat operation with the next two numbers

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    Add two consecutive numbers in a colum and repeat operation with the next two numbers

    Hello,

    I've got a list of values in Colum A (from A1 to A18000). Colum B needs to be B1 = A1 + A2 ; B2 = A3 + A4; B3 = A5 + A6;

    That must be repeated for the 18000 values in Colum A so Colum B must end up with 9000 values.



    How can I do that?

    Thank you in advance.

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    Forum Moderator Glenn Kennedy's Avatar
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    Re: Add two consecutive numbers in a colum and repeat operation with the next two numbers

    One way:

    =SUM(OFFSET($A$1:$A$2,(ROWS($1:1)-1)*2,))
    Glenn




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    Re: Add two consecutive numbers in a colum and repeat operation with the next two numbers

    Brilliant!
    Thank you very much for your help.

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    Forum Moderator Glenn Kennedy's Avatar
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    Re: Add two consecutive numbers in a colum and repeat operation with the next two numbers

    You're welcome.



    If that takes care of your original question, please select "Thread Tools" from the menu link above and mark this thread as SOLVED.

    It'd also be appreciated if you were to click the Add Reputation button at the foot of any of the posts of all members who helped you reach a solution.

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