Question

21) sabendo que a 1/4 - 5/3 e b = 1 2/3 - 1/2, calcule a + b

Answer 1

1/4 - 5/3 × 12/3 - 1/2 =

1/4 - 5/3 × 4 - 1/2 =

1/4 - 20/3 - 1/2 =

- 83/12

Answer 2

4×4566227272728288228