Question

ALGUÉM PODE ME AJUDAR PFVRR

Calcule:

A) 2 . (2/5+1/7)

B) 3/5 . (2/5+1/2)

C) 1/2 . (2/3-1/6)

D) 3/7 . (1/4-1/6)​

Answer 1

Resposta:

a 38/35

b 27/50

c 1/4

d 1/28