jcai.faculty.unlv.edujcai.faculty.unlv.edu/wp-content/uploads/2017/12/Math...Method: Obtain 1 in the...
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jcai.faculty.unlv.edujcai.faculty.unlv.edu/wp-content/uploads/2017/12/Math...Method: Obtain 1 in the top left corner. Then obtain zeros below that 1 by adding appropriate multiples