Tuesday 13 January 2015

ARITHMETICS 2




Evaluate 12142 – 6862

Solution

12142 – 6862 = (1314 + 686)(1314 – 686)

                    = (2000)( 628)

                    = 1256000

Hence 13142 – 6862 = 1256000

TRY THIS……….

Evaluate 6322 – 3682


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