Saturday 22 March 2014

DIFFERENCE OF 2 SQUARES C6



Evaluate 12362 – 7642

Solution

12362 – 7642 = (1236 + 764)( 1236 - 764)

                     = (2000)( 472)

                     = 944000

Hence 12362 – 7642 = 944000



TRY THIS……………………

Evaluate 17802 – 12202


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