Question

1)resolva as expressões: a) (+3)-(+5)+(+4)-(+2) b) (-5)+(-5)-(+6)+(+6) c)(-2)×(-8)-(-6)×(+3) d)(15)÷(-3)+(-25)÷(+5)

Answer 1

a) 3-5+4-2
7-7
0

b) -5-5-6+6
6-16
-10

c)16-(-18)
16+18
34

d)-5+5(-5)
-5-5
-10