Question

Помогите!) <Решу ОГЭ>

Answer 1

9)
$10 \times { \frac{1}{5} }^{2} - 12 \times \frac{1}{5} = \frac{2}{5} - \frac{12}{5} = - \frac{10}{5} = - 2$
8)
$\frac{6.9 - 1.5}{2.4} = \frac{5.4}{2.4} = 54 \div 24 = 2.25$
10)
$\frac{2.4 }{2.9 - 1.4} = \frac{2.4}{1.5} = 24 \div 15 = 1.6$