Question

(1/2)la a doua * 6 - 1 = nu stiu :(

Answer 1

$( \frac{1}{2} ) {}^{2} \times 6 - 1 = \\ = \frac{1}{4} \times 6 - 1 = \\ = \frac{6}{4} - 1 = \\ = \frac{6 - 4}{4} = \\ = \frac{2}{4} = \\ = \frac{1}{2}$