Question

a - b (para a=3 e b=1/2) (R: 7/2)​

Answer 1

$a - b$

$= 3 - \frac{1}{2}$

$= \frac{6}{2} - \frac{1}{2}$

$= \frac{6 - 1}{2}$

$= \frac{5}{2}$