ГДЗ Математика 6 клас Істер — Вправа 1337

1) $-2\frac{1}{8} : 4\frac{1}{4} = -\frac{17}{8} : \frac{17}{4} = -\frac{17}{8} \cdot \frac{4}{17} = -0,5;$

2) $1\frac{8}{27} : (-1\frac{5}{9}) = \frac{35}{27} : (-\frac{14}{9}) = -\frac{35}{27} \cdot \frac{9}{14} = -\frac{5}{6};$

3) $-11\frac{2}{5} : (-3\frac{4}{5}) = \frac{57}{5} : \frac{19}{5} = \frac{57}{5} \cdot \frac{5}{19} = 3;$

4) $-4\frac{2}{7} : 1\frac{19}{21} = -\frac{30}{7} : \frac{40}{21} = -\frac{30}{7} \cdot \frac{21}{40} = -2,25.$