Question

calcule a)(+12)-(+23) b)(-45)-(-12) c)(-23)+(10) d)(+7)-(+13) e)(+15)+(+15) f)(-4)-(-4) g)(+50)-(+30) h)(-20)-(-20)​

Answer 1

Explicação passo-a-passo:

a) -11

b) -33

c) -13

d) -6

e) 30

f) 0

g) 20

h) 0