Sunday, 5 November 2017

PERFECT SQUARES 1


Evaluate 6602 – 3402

Solution

6602 – 3402 = (660 + 340)( 660 - 340)

                   = (1000)( 320)

                   = 320000

Hence 6602 – 3402 = 320000


TRY THIS……………………


NECTA 2003 QN. 9a


Evaluate 3652 – 1352



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