Question

обчислити (-4,2) :(-1 2/5)

Answer 1

$( - 4.2) \div ( - 1 \frac{2}{5} ) = ( - \frac{42}{10} ) \div ( - \frac{7}{5} )= ( - \frac{21}{5} ) \times ( - \frac{5}{7} ) = \frac{3}{1} \times \frac{1}{1} = 3$