Question

qual é o resultado da expresão numerica
30+{18X[40-(300:10)]+19}-12

Answer 1

30+{18. [40-(300:10)]+19}-12

30+{18. [40-30]+19}-12
30+{18. [10]+19}-12
30+{180+19}-12
30+{199}-12
229 - 12
=217

Answer 2

30+{18x[40-30]+19}-12
30+{18x10+19}-12
30+199-12
229-12= 217