№2. Найдите значение произведения:

а) $$\frac{2}{3} \cdot \frac{3}{8} = \frac{6}{24} = \frac{1}{4} = -\frac{1}{4}$$ б) $$\frac{4}{15} \cdot (-\frac{5}{8}) = -\frac{20}{120} = -\frac{1}{6}$$ в) $$\frac{5}{-9} \cdot (-\frac{12}{25}) = \frac{60}{225} = \frac{4}{15}$$ г) $$-3 \frac{1}{2} \cdot (-\frac{4}{7}) = -\frac{7}{2} \cdot (-\frac{4}{7}) = \frac{28}{14} = 2$$ д) $$1 \frac{1}{8} \cdot (-\frac{5}{1}) = \frac{9}{8} \cdot (-5) = -\frac{45}{8} = -5\frac{5}{8} = -6$$ е) $$1.8 \cdot (-\frac{11}{3}) = \frac{18}{10} \cdot (-\frac{11}{3}) = \frac{18}{10} \cdot (-\frac{11}{3}) = -\frac{198}{30} = -\frac{33}{5} = -6 \frac{3}{5} = -2 \frac{2}{5}$$ ж) $$-2 \frac{2}{15} \cdot (-6.25) = -\frac{32}{15} \cdot (-\frac{625}{100}) = \frac{32}{15} \cdot \frac{25}{4} = \frac{800}{60} = \frac{40}{3} = 12 \frac{2}{3} = -12,25$$