Question

6.Calcule. a) 5 − 2 + 7− 3 + 1 b) −3 +9 − 10 −8 + 16 −2 + 24 c) +13− 7 − 6− 9 + 14 d) – 25 + 3− 18 + 21 − 30 −16 e) −30− 4 + 9 +15 − 20 + 14

Answer 1

Resposta:

a ) 0

b ) 42

c ) 5

d ) -71

e ) -16

Explicação passo-a-passo:

a) 5-2+7-3+1 = 3-4+1 = -1+1 = 0

b) -3+9-10-8+16-2+24 = 6-2+14+24 = 4+38 = 42

c) +13-7-6-9+14 = 6-15+14 = -9+14 = 5

d) -25+3-18+21-30-16 = -22-3-46 = -25-46 = -71

e)-30-4+9+15-20+14 = -34+24-6 = -10-6 = -16