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The sum of each row (or column or square) is 45.

There are 9 such rows (or columns or squares)

So grand total = 45*9 = 405

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15y ago

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What is the sum in sudoku?

In Sudoku, the "sum" typically refers to the total of the numbers in a row, column, or region (usually a 3x3 subgrid) that must equal the same set of numbers. In a standard 9x9 Sudoku puzzle, each row, column, and 3x3 region must contain the digits 1 through 9 without repetition. Therefore, the sum of the numbers in each row, column, or region is always 45, since the sum of the numbers 1 to 9 is 45. This characteristic helps ensure that each area of the grid is filled correctly.


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What is a 3 by 3 grid which you can only use numbers 1-9 and you can only use the numbers once?

The game you are thinking about it Sudoku http://en.wikipedia.org/wiki/Sudoku The game you are thinking about it Sudoku http://en.wikipedia.org/wiki/Sudoku


What is the puzzle similar to sudoku where you have to fill in the numbers so they are all connected?

You are possibly looking for Kakuro.


What is the sum of all the numbers from 101 to 200?

The sum of all the numbers from 101 through 200 is 15,050.


What is the sum of all even numbers under 101 subtracted by sum of all odd numbers?

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