Question

a) -1-2-3=
b) -13+7-9+5-13=
c) -7+20-15+20-1=
d) -8-10+17-3+4-7+8-1=
​

Answer 1

Resposta:

a) -1 -2 -3 = -6.

b) -13 +7 -9 +5 -13 = -23.

c) -7 +20 -15 +20 -1 = 17

d) -8 -10 +17 -3 +4 -7 +8 -1 = 0