247. Выполните деление: a)-49:7; 6) 8,4:(-0,7); B) -8,88: 2,4; 5 )-:: 1 5 1 ж)-20:44: 8 3)-16: (-4). 17 r) -3,289 : (-1,3);

Ответ:

1. а) \[-49:7 = -7\]

2. б) \[8.4:(-0.7) = -12\]

3. в) \[-8.88:2.4 = -3.7\]

4. д) \[-\frac{5}{6} : \frac{5}{12} = -\frac{5}{6} \cdot \frac{12}{5} = -\frac{12}{6} = -2\]

5. е) \[ 11\frac{2}{5} : (-\frac{3}{5}) = \frac{57}{5} : (-\frac{3}{5}) = \frac{57}{5} \cdot (-\frac{5}{3}) = -\frac{57}{3} = -19 \]

6. ж) \[ -2\frac{1}{8} : 4\frac{1}{4} = -\frac{17}{8} : \frac{17}{4} = -\frac{17}{8} \cdot \frac{4}{17} = -\frac{4}{8} = -\frac{1}{2} = -0.5 \]

7. з) \[\frac{16}{17} : (-4) = \frac{16}{17} \cdot (-\frac{1}{4}) = -\frac{16}{17 \cdot 4} = -\frac{4}{17}\]

8. г) \[-3.289 : (-1.3) = 2.53\]

Ответ: