Question

вычисли:

-7*(-2,5);

-4 2\3:1 1\6

Answer 1

-7•(-2,5) = 7•2,5 = 17,5
-4 2/3:1 1/6 = -14/3•1/6 = -7/3•1/3 = -7/9

Answer 2

$-7 * -2.5 = 17.5$

$-4\frac{2}{3} = -\frac{14}{3}$

$1\frac{1}{6} = \frac{7}{6}$

$-\frac{14}{4} : \frac{7}{6} = -\frac{14}{3} * \frac{6}{7} = -4$