Question

решить выражение 2.4:8/7-0,1=

Answer 1

$2,4: \frac{8}{7} -0,1=2 \frac{4}{10} : \frac{8}{7} - \frac{1}{10} = \frac{24}{10} : \frac{8}{7} - \frac{1}{10} = \frac{12}{5} : \frac{8}{7} - \frac{1}{10} = \frac{12}{5} \cdot \frac{7}{8} - \frac{1}{10} \\ = \frac{84}{40} - \frac{1}{10} =2,1-0,1=\boxed{2};$