Question

-1,14*(-2,5)
-4 1/12 : (-1 1/6)

Answer 1

$- 1.14 \times ( - 2.5) = 2.85$

$- 4 \frac{1}{12} \div ( - 1 \frac{1}{6} ) = - \frac{49}{12} \div ( - \frac{7}{6} ) = \frac{49}{12} \times \frac{6}{7} = \frac{7}{2} = 3 \frac{1}{2} ( = 3.5)$