Вычислите: 2 7/10*8/19+11/19*2 7/10.

\[2\frac{7}{10} \cdot \frac{8}{19} + \frac{11}{19} \cdot 2\frac{7}{10} =\]

\[= 2\frac{7}{10} \cdot \left( \frac{8}{19} + \frac{11}{19} \right) = 2\frac{7}{10} \cdot \frac{19}{19} =\]

\[= 2\frac{7}{10} \cdot 1 = 2\frac{7}{10}.\]