Question

39. Simplify the following
a) (25 - 10) x [5 + {2 + 6 - 1}]
b) 242 - [34 - 6(5-3)]
​

Answer 1

Answer:

a). (25-10)×[5+(2+6-1)]

=15×[5+7]

= 15×12

=.180

b). 242-[34-6(5-3)]

=242-[34-6×2]

=242-[34-12]

=242-22

=220

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