Question

Решите примеры по условиям ​

Answer 1

Ответ:

№955

1) -8 + (-2) = -10 = $\frac{10}{1}$

2) $-2\frac{2}{5} * (-3\frac{1}{8}) = 7,5 = 7\frac{1}{2} = \frac{15}{2}$

3) -1,8 + (-2) = -3,8 = $-3\frac{4}{5} = -\frac{19}{5}$

4) 0,4 * ($-1\frac{4}{5}$) = -0,72 = $-\frac{18}{25}$

5) $-\frac{5}{42} + \frac{10}{21} = -\frac{5}{42} + \frac{20}{42} = \frac{15}{42} = \frac{5}{14}$

6) -4,8 : $1\frac{1}{15}$ = -4,5 = $-4\frac{1}{2} = -\frac{9}{2}$

№956

1) $7\frac{13}{28} - (3\frac{9}{28} - 5\frac{3}{13}) =7\frac{13}{28} - 3\frac{9}{28} + 5\frac{3}{13} = (7\frac{13}{28} - 3\frac{9}{28}) + 5\frac{3}{13} = 4\frac{1}{7} + 5\frac{3}{13} = \frac{29}{7} + \frac{63}{13} = \frac{203 + 441}{91} = 9\frac{34}{91}$

2) 7,5

3) 0,9

4) $14\frac{13}{24}$