1) 6 5/6 : 49/35 = 5.7 / 6.4

1) $$6\frac{5}{6} : \frac{48}{35} = \frac{41}{6} : \frac{48}{35} = \frac{41}{6} \cdot \frac{35}{48} = \frac{41 \cdot 35}{6 \cdot 48} = \frac{1435}{288} = 4 \frac{403}{288}$$.

Ответ: $$4 \frac{403}{288}$$