Question

Calculando a soma algébrica + 3 – 2 – 10 + 16 + 12 – 4 – 5 – 20 , teremos ​

Answer 1

Resposta:

-10

+3-2=1

1-10=-9

-9+16=7

7+12=19

19-4= 15

15-5=10

10-20= -10