Question

2- Calcule:
a) -4-5.(-2)=
b) │7-3│+│3-7│=
c) │2+4.(-2)│-│-2+3.(-3)│=
d) │5-10│-│-10–(-5)│-│-5–(-5)│=

Answer 1

Resposta:

Explicação passo-a-passo:

a) -4-5.(-2) = - 4 + 10 = 6

b) │7-3│+│3-7│= l 4 l + l -4 l = 4 + 4 = 8

c) │2+4.(-2)│-│-2+3.(-3)│=

l 2 - 8 l - l -2 - 9 l = l -6 l - l - 11 l = 6 - 11 = - 5

d) │5-10│-│-10–(-5)│-│-5–(-5)│=

l -5 l - l -10 + 5 l - l -5 + 5 l =

l -5 l - l -5 l - l 0 l = 5 - 5 - 0 = 0