Question

Elimine os parenteses
(a) +(-3+8)
(b) -(-3+8
(c) +(5-6)
(d) -(-3-1)
(e) -(6+4-1)
(F) +(-3-2-1)
(g) -(4-6+8)
(h) +(2+5-1)

Answer 1

a)5
b)5
c)-1
d)4
e)-9
f)-6
g)-6
h)6