Question

Resolva
a)+4-7
b)-13+8-12
c)-36-18
d)9+11-20
e)6-31

Answer 1

Resolva :

a)+4-7 = - 3

b)-13+8-12 = - 25+8= - 17

c)-36-18 = - 54

d)9+11-20 = 20-20= 0

e)6-31 = - 25