Question

(3,4+7)*(1целая7/18)=

Answer 1

$(3,4+7)\cdot 1\frac{7}{18}=10,4\cdot \frac{25}{18}=10\frac{2}{5}\cdot \frac{25}{18}=\frac{52}{5}\cdot \frac{25}{18}=\frac{26\cdot 5}{9}=\\\\=\frac{130}{9}=14\frac{4}{9}$