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Arrange the numbers 1 through 9 on a tic tac toe board such that the numbers in each row column and duagonal add up to 15?
One solution would be
834
159
672
Here's another solution
276
951
438
And Another
672
159
834
* * * * *
They are all essentially the same. Swap the first and last rows of the first example and you have the third. Swap the first and last columns of the third and you have the second.
If you exclude such swaps, there is only one 3x3 magic square.
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What are the rules in adding decimal numbers?
If there are any numbers which are integers and so do not have a decimal point, then append one at the extreme right. Then arrange all the numbers in a column, with their decimal points aligned. Ad up the numbers ignoring the decimal points entirely. In the answer insert a decimal point under the column of decimal points.
A formula that will add up a column of numbers?
a value formula
Are cell column references letters or numbers?
Letters refer to columns.
How can you find the sums of decimal amounts in dollars and cents?
Put the numbers in a column with the decimal points aligned. Add the numbers ignoring the decimal points. Insert the decimal point in the answer exactly below the column of decimal points in the numbers being added (summands).
How do you add the total or a column full of numbers without using a calculator?
Since you put this question in the Excel category, I will answer relative to what you can do with Excel. The quick way is to highlight the column of numbers and click on the Auto-Sum button.
