Question

Resolva as operações abaixo:
a)(-3)+(+2)-(-5)
b)(-73)+(60)+(+13)+(-20)-(-35)
c)(+18)+(-5)+(+12)-(+7)-(-5)
d)(-15)+(-7)-(-12)+(+21)
e)(+7)+(-5)+(-3)-(-1)
f)(+23)+(+17)+(-30)+(-20)-(-5)

Answer 1

a) -3+2+5= 4

b) -73+60+13-20+35
-73+73+15
0+15= 15

c) 18-5+12-7+5
18+7-2=
18+5= 23

d) -15-7+12+21
-22+33= 11

e) 7-5-3+1
2-2= 0

f) 23+17-30-20+5
40-50+5
40-45= -5

Espero ter ajudado!