Question

º 1/3

º3/10

º8/10

º7/2

º31/5​

Answer 1

Vamos là.

4/3 - 1 = 4/3 - 3/3 = 1/3

2/5 + 1/2 = 4/10 + 5/10 = 9/10

(1/3)*(9/10) = 3/10 (B)