Question

$5 \frac{11}{42} - 2 \frac{3}{14} - 1 \frac{1}{21}$
пажалуста​

Answer 1

5 11/42 - 2 3/14 - 1 1/21 = 5 11/42 - (2 9/42 + 1 2/42) =

= 5 11/42 - 3 11/42 = 2.

Ответ: 2.