Question

determine o valor de cada expressão a)(+2)×(-3/4)×(+1/6) b)[(-1/5+3/4+1)×(-1/3)]

Answer 1

a)(+2)×(-3/4)×(+1/6)
2x(-3/24)
-6/24
-1/4


b)[(-1/5+3/4+1)×(-1/3)]
MMC de 1 e 5 e 4 = 20
[(-4/20+15/20+20/20)x(-1/3)]
[(31/20)x(-1/3)]
-31/60

Answer 2

Resposta:

c) -6/24 , b) -31/60

Explicação passo-a-passo:

confia