Easy Brain Teasers For Students: Killer Sudoku Puzzles (Variety Math Puzzles)
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Easy Brain Teasers For Students: Killer Sudoku Puzzles (Variety Math Puzzles)
In Killer Sudoku, sub-regions have specified sums, and no number can be repeated within a region. This variant also called "Sums Sudoku," "Sums Number Place," "Samunamupure," "Kikagaku Nampure."