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Start with the equal sign, then begin listing cell addresses beginning with B2 and ending with B10. Be sure to list all cell addresses in between. The operator for addition is +. You must use the operator to separate each cell address as shown
Add C6 through C10 then subtract C5
Start with the equal sign. To add C6 through C10, begin listing cell addresses beginning with C6 and ending with C10, separate each with a +. Then, use the subtraction operator – and C5.
Start with the equal sign. Remember your order of operations. If you want to ADD A3 and A4 THEN divide by C10, you must enclose A3+A4 in parentheses then divide by C10.
Find the average of D1 through D6
Start with the equal sign. Remember, to calculate an average, you must first add the numbers, then divide the sum by the number of items. Obeying order of operations, we must enclose our addition in parentheses so that the addition portion is completed first. Then divide by 6.