Question

пж помогите даю 50 баллов

Answer 1

$\frac{5}{9} \times ( - 3 \frac{6}{7} ) - ( - 3 \frac{5}{7} ) \times \frac{3}{52} = - 1 \frac{13}{14} \\ 1) \: \frac{5}{9} \times ( - 3 \frac{6}{7} ) = - \frac{5 \times 27}{9 \times 7} = - \frac{15}{7} = - 2 \frac{1}{7} \\ 2) \: - 3 \frac{5}{7} \times \frac{3}{52} = - \frac{26 \times 3}{7 \times 52} = - \frac{3}{14} \\ 3) \: - 2 \frac{1}{7} - ( - \frac{3}{14} ) = - 2 \frac{2}{14} + \frac{3}{14} = - 1 \frac{16}{14} + \frac{3}{14} = - 1 \frac{13}{14}$