Question

quanto é:
a)(+37)+(-21)=
b)(-13)+(-4)=
c)(-9)-(+6)=
d)(+7)-(+16)=
e)5.(-2).(+4)=

Answer 1

resposta

a) +58

b) -9

c) -3

d) +23

e) 5.8

x60

espero ter ajudado ^_^