Question

4/3+7/5×(1/2+4/9)-1/5​

Answer 1

Resposta:

  4/3 + 7/5 (1/2 + 4/9) - 1/5 =

  4/3 + 7/5 ((9+8)/18)) - 1/5 =  

  4/3 + 7/5 . 17/18 - 1/5 =

  4/3 + 119/90 - 1/5 = ----mmc(3,5,90) =

  120/90 + 119/90 - 18/90 =  

  239/90 - 18/90 = 221/90

Answer 2

4/3 + 7/5 x (1/2 + 4/9) - 1/5
4/3 + 7/5 x 17/18 - 1/5
4/3 + 119/90 - 1/5
=221/90