Question

calcule:
a- ( +3 ) + ( -2) + ( +5 )=
b- ( -2 ) - ( +1 ) - ( +5 ) =
c- ( +4 ) + ( -2 ) - ( +3) =
d- ( +4 ) + ( -6 ) - ( +7 ) - ( -6 ) + ( +7 ) =
e- ( -3 ) - ( -5 ) + ( -6 ) + ( +8 ) - ( -4 ) =
QUERO RESPOSTAS QUE EU ENTENDA

Answer 1

a=3-2+5= 6

b=-2-1-5= -5

c=4-2-3= -1

d=4-6-7+6+7= 4

e=-3+5-6+8+4= 8