Friday, 1 September 2017

BODMAS 1


Evaluate  70 + 6 – 5 – 7 – 9 + 15.

Solution

= 70 + 6 – 5 – 7 – 9 + 15

= 70 + 6 + 15 – 5 – 7 – 9

= 70 + 6 + 15 – ( 5 + 7 + 9)

= 91 – 21

= 70

TRY THIS………


Evaluate  55 + 6 – 7 – 3 – 13 + 6


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