Question

Помогите решить тест

Answer 1

8. А. Б. В.
2. 3. 1.

9.
$(\frac{1}{3n} - \frac{1}{12n} ) \div \frac{2}{ {n}^{2} } = ( \frac{4}{12n} - \frac{1}{12n} ) \times \frac{ {n}^{2} }{2} = \frac{3n}{24} = \frac{n}{8}$
при n=-0,56
$\frac{ - 0.56}{8} = - 0.07$