Question

17+{67-[120/(2+2x4)-4]+21}/2

Answer 1

Explicação passo-a-passo:

17 + { 67 - [ 120/(2+8)-4] +21}/2=

17 + { 67 - [ 120/10 - 4] +21}/2=

17 + { 67 - [ 12 -4] +21}/2=

17 + { 67 - 8 + 21}/2=

17 + { 88 -8}/2=

17 + 80/2=

17 + 40=

57