Question

Qual o valor das expressões

Answer 1

$a)\frac{1}{2} + \frac{4}{3} - \sqrt{ \frac{25}{36} } \\ \frac{1}{2} + \frac{4}{3} - \frac{5}{6} = 1$

b) - 4/5 : 8/5

- 4/5 x 8/5

- 4 x 1/8

- 1/2