Creating an Excel 2007 Spreadsheet

This indicates the Range is C6:C8. Excel assumes, logically, that these are the numbers you want to add. Now press Enter. The numbers still add, but now the formula reads =SUM(C6:C8) instead of =C6+C7+C8 like it did before. Mouse Method: Move again to cell C9. Delete the formula in cell C9 by pressing the Delete key. Type in =SUM( as you did ... ................
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