Question

2) Calcule as operações: (Valor 0,5 cada)
a) 16 + (+ 19 – 14) – (– 13 + 15)

b) 20 + (– 18) – (– 19) + (– 22) + 17

prfvv conta completa passo a passo

Answer 1

Resposta:

a) 16 + (+ 19 – 14) – (– 13 + 15)

16 + 5 - 2

21 - 2

19

b) 20 + (– 18) – (– 19) + (– 22) + 17

20 - 18 + 19 - 22 + 17

56 - 40

16