Question

calcule: a)-9+11= b)+75+15= c)-50-50= d)6+(-6)+(-7)= e)(+20)+(-19)+(-13)+(-8)= f)(-22)+(-19​

Answer 1

Resposta:

a) -9+11= +2

b) +75+15= 90

c) -50-50= -100

d) 6 +(-6)+(-7)=

6-6-7= -7

e) (+20)+(-19)+(-13)+(-8)=

+20-19-13-8= -20

f) (-22)+(-19|=

-22-19= -41

Explicação passo-a-passo: