Question

Cum rezolv exercitiul 2 ?

Answer 1

$1\frac{9}{15}:(-1\frac{6}{10})- (-\frac{14}{15}):(+1\frac{1}{5})= \frac{24}{15}:(-\frac{16}{10})-(- \frac{14}{15}):(+\frac{6}{5})= \frac{24}{15}*(-\frac{10}{16})\\-(-\frac{14}{15})* \frac{5}{6}= -1+ \frac{7}{9}= \frac{-9+7}{9}= -\frac{2}{7}$