Addition table

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Addition table

by crackgmat007 » Mon May 25, 2009 5:58 pm
Pls explain
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Last edited by crackgmat007 on Wed May 27, 2009 8:23 pm, edited 1 time in total.

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by scoobydooby » Mon May 25, 2009 10:04 pm
4+z=m ...1
e+y=n ... 2

adding 1 and 2, m+n=4+z+e+y=(4+y)+(e+z)=-5+10=5

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by gmat740 » Tue May 26, 2009 11:51 am
How did you interpret this table

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by scoobydooby » Wed May 27, 2009 3:55 am
the numbers inside the table , at the intersection of the rows and the column are the sums of the row heads and the table heads