Question

17+21:[36-(2 mũ 2 .3 +2.11-70 mũ 0)]

Answer 1

=17+21: [36-(2^2.3+2.11-70^0)]

=17+21:[36-(4.3+22-1)]

=17+21:(36-33)

=17+21:3

=17+7

=24