Л (9$$\frac{1}{5}$$ - 3) - 2$$\frac{4}{5}$$

Л (9$$\frac{1}{5}$$ - 3) - 2$$\frac{4}{5}$$

1) 9$$\frac{1}{5}$$ - 3 = 6$$\frac{1}{5}$$

2) 6$$\frac{1}{5}$$ - 2$$\frac{4}{5}$$ = 5$$\frac{6}{5}$$ - 2$$\frac{4}{5}$$ = 3$$\frac{2}{5}$$

Ответ: 3$$\frac{2}{5}$$