Question

b) (+20)+(-19)+(+13)+(-3)​

Answer 1

20-19+13-3=

1+10=

11

espero ter ajudado

Answer 2

→ Cálculo :

( + 20 ) + ( - 19 ) + ( + 13 ) + ( - 3 )​

20 - 19 + 13 - 3

33 - 19 - 3

33 - 22

11