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Mathematics, 10.06.2021 14:00 maukjackie1974

The average (arthimetic mean ) t +2 is x and if the average of t -2 is y what is the average of x and y


The average (arthimetic mean ) t +2 is x and if the average of t -2 is y what is the average of x a

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The average (arthimetic mean ) t +2 is x and if the average of t -2 is y what is the average of x an...
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