Tuesday 30 September 2014

DIFFERENCE OF 2 SQUARES 1

Evaluate 7802 – 6802

Solution

7802 – 6802 = (780 + 680)( 780 – 680)

                   = (1460)( 100)

                   = 146000

Hence 7802 – 6802 = 146000

TRY THIS……………………..


Evaluate 7802 – 6802

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