Question

1-Resolva e Simplifique

A) (1|4).(-1/5):(2/7)=
B)[(-3/4):(-2/7)].(7/3)=

Answer 1

Resposta:

Explicação passo a passo:

= 1/4 . -1/5 : 2/7

= - 1/20 . 7/2

= - 7/40

= [3/4 . 7/2] . 7/3

= 21/8 . 7/3

= 147/24 (:3)/(:3)

= 49/8