Question

1)resolva as subtraçoes

a) +5 + 3 = c) - 4 - 2 = e) +6 + 9 = f) +10 + 7 =

b) +1 + 4 = d) -3 - 1 = f) +10 + 7 = h) - 4 -15 =

Answer 1

Resposta:

a= +8

b= +5

c= -6

d= -4

e= +15

f= +17

h = -19