Sum Cells Across Columns in Excel

of the cells, i.e. to add the two numbers shown above the correct formula is: =A1+A2 not =10+15. The result is displayed in the cell when the . Tick. button on the formula bar is clicked, or the . Return. key is pressed. You can cancel a formula if necessary by clicking on the red . X. button on the formula bar or pressing the . Esc. key. ................
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