Question

ME AJUDEM A RESOLVER!
URGENTE!
a)-12+4+11-8+13+1=
b)(+6)+(-14)+(-7)+(+6)+(+9)=
c)-2+5+3-2+1=
d)-7-3-9+8-1-4=
e)(+16)+(-29)+(+33)+(-37)=
f)(-3)+(-5)+(-2)+(-1)

Answer 1

a)-12+4+11-8+13+1=
-12-8+4+11+13+1=
-20+29=
+9

b)(+6)+(-14)+(-7)+(+6)+(+9)=
-14-7+6+6+9 =
-21+21 =
0

c)-2+5+3-2+1=
-2-2+5+3+1 =
-4+9=
+5

d)-7-3-9+8-1-4=
-7-3-8-1-4+8 =
-23+8 =
-15

e)(+16)+(-29)+(+33)+(-37)=
+16+33-29-37=
+49-66 =
-17

f)(-3)+(-5)+(-2)+(-1) =
-3-5-2-1 =
-11