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Q: Can sums all rows equal 9 using 0 - 8 only once?

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No.

No.

If you are thinking of a mgic square, the answer is NO. The nine numbers sum to 45 so if you have three rows with equal sums, that sum can only be 45/3 = 15. You can have two rows, each adding to 17, and using the digits only once, but you will not use all digits.

2 7 6 9 5 1 4 3 8

No. The sum of 1-9 is 45 and 12 does not divide 45.

10

Assuming you're referring to a 'magic square' one solution would be... 816 357 492

Assuming a 3x3 square, yes. If you want to know a solution where all rows, columns and diagonals sum to 15, it is: 2 9 4 7 5 3 6 1 8

20

2 rows of 18 squares3 rows of 12 squares4 rows of 9 squares6 rows of 6 squares9 rows of 4 squares12 rows of 3 squares18 rows of 2 squares36 rows of 1 squareI would not count "1 row of 36 squares", because you only have a single row that cannot equal another row (there is only one rowafter all). If this is for homework, I would state your reasoning for excluding (or including) that set. Count all the options up, and you have 8 different ways you can arrange the rows with the exclusion.

This is a square matrix where the number of rows and the number of columns are equal.

No.

The horizontal rows in the periodic table are called periods.

If the version of Excel you are using only has 65536 rows, which was the case up to Excel 2003, then you can't add any more rows. From Excel 2007 onwards there are 1048576 rows, so that is what you would need to use.

63

Draw either 3 rows of 5 columns or 5 rows of 3 columns.

i guess it is 18

how many rows can you make with 169

It has infinitely many rows. Except that, once you understand how the rows are generated, you do not normally use the triangle.

Of course. You have a choice of several different lovely arrangements:18 rows with 1 in each row9 rows with 2 in each row6 rows with 3 in each row

There was only on rose in each of my rows.

18 Chairs into equal rows - 6 x 3 2 x 9 18 x 1

alignment

37

1 row of 180 - 2 rows of 90 - 3 rows of 60 - 4 rows of 45 - 5 rows of 36 - 6 rows of 30 - 9 rows of 20 - 10 rows of 18 - 12 rows of 15 - 15 rows of 12 - 18 rows of 10 - 20 rows of 9 - 30 rows of 6 - 36 rows of 5 - 45 rows of 4 - 60 rows of 3 - 90 rows of 2 - 180 rows of 1 - total of 18 ways within the limits of the question