Question

calcule as expressões
a) {20-[6+(4+1)x2)+1}x3

b) {2+[(3-1)x(3+3)]:4} ​

Answer 1

A) {20-[6+5.2]+1}.3

{20-[6+10]+1}3

{20-16+1}3

5.3

15

B) {2+[(3-1)x(3+3)]:4} ​

{2+[2x6]:4} ​

2+ 12:4

5