Question

ME AJUDA AAAAAAA

– Resolva:
a) (+3) + (– 2) + (– 5) =
b) (– 2)– (+1)– (+5) =
c) (+4) + (– 2)– (+3) =
d) (+5)– (– 3)– (– 1) =
e) (+4) + (– 6)– (+7)– (– 6) + (+7) =
f) (– 3 )– (– 5 ) + (– 6) + (+8)– (– 4) =
g) + (– 3 + 8)– (– 3 + 8) + (5– 6) =
h) −(−3 − 1) − (−6 + 4 − 1) − 6 − (−3 + 2) =
i) 18 − (−5 − 2 − 3) + 20 − (−6 + 8) − (−1 − 8 + 3) =
j) −32 − 1 − (−12 + 14 + 7) + (−5 − 6 − 9 + 3 ) − 17 =

Answer 1

Resposta:

a. (+3) + (-2) + (-5) = 1 + (-5) = -4

b. (-2) + (+1) - (+5) = (-1) - (+5) = -6

c. 4 + (-2) - 3 = 2 - 3 = -1

d. 5 - (-3) - (-1) = 8 - (-1) = 9

e. 4 + (-6) - (+7) - (-6) + (+7) = -2 - (+13) - (+1) => -15 - (+1) = 16

Explicação: