Пошаговое объяснение:

1) 3 5/9 * (-1 1/8) = 32/9 * (-9/8) = 4/1 * (-1/1) = -4/1 = -4

2) -4 2/7 * 1 2/5 = -30/7 * 7/5 = -6/1 * 1/1 = -6/1 = -6

[tex]3 \frac{5}{9} \times ( - 1 \frac{1}{8} ) = - \frac{32\times 9}{9 \times 8} = - \frac{4 \times 1}{1 \times 1} = - 4[/tex]

[tex] - 4 \frac{2}{7} \times 1 \frac{2}{5} = - \frac{30 \times 7}{7 \times 5} = - \frac{6 \times 1}{1 \times 1 } = - 6[/tex]