Question

Resolva: 2 – 10 – 6 + 14 – 1 + 20 *

a) +18
b) -17
c) +19

Answer 1

Resposta:

c) +19

Explicação passo-a-passo:

2-10-6+14-1+20

-8-6+14-1+20

-14+14-1+20

0-1+20

+19