Question

Calcule o valor das expressões:
A)5.(3/4)-3/4

Answer 1

5.(3/4)-3/4
15/4 - 3/4
12/4
3

r:>: 3

Answer 2

$a) \: 5 \times ( \frac{3}{4} ) - \frac{3}{4} = \\ \frac{15}{4} - \frac{3}{4} = \\ \\ \frac{15 - 3}{4} = \\ \\ \frac{12}{4} = \\ \\ \boxed{3}$