Ответ:

[tex] - 107.4[/tex]

Пошаговое объяснение:

[tex]4.5 \times 2.8 - 25(1 \frac{2}{9} + 3 \frac{5}{9} ) = \\ = 4.5 \times 2.8 - 25( \frac{11}{9} + \frac{32}{9} ) = \\ = 4.5 \times 2.8 - 25 \times \frac{43}{9} = \\ = 4.5 \times 2.8 - 25 \times 4.8 = \\ = 12.6 - 120 = - 107.4[/tex]