Question

Calcule as expressões: 

a) (1/3 + 1/5 ) + 2/3 = 

b) (1/5 – 2/3 ) / 2/3 =

c) ( 1/3+1/4) / ( 2/3 – 1/5)=

​

Answer 1

Resposta:

a) 4/11

b) 3/4

c) 4/7

espero ajudar