Question

resolva
a) - (-6+4-1)
b) - (-3+8)
c) - ( -3-1)
d) 18- (-5-2-3)

Answer 1

Resposta:

a) -(-6+4-1)

+6-4+1

+7-4

3

b)-(-3+8)

+3-8

-5

c)-(-3-1)

+3+1

4

d)18-(-5-2-3)

18+5+2+3

28