Question

Помогите пожалуйста 2 и 3 столбик срочно!!!!

Answer 1

2)

$- 56.7 - 12.9 = 69.6 \\ 32.5 - ( - 19.9) = 32.5 + 19.9 = 52.4 \\ 63.7 - 92.7 = 29 \\ - 356.8 - 11.49 = - 368.29 \\ - 11.2 - 4.81 = - 16.01$

3)

$- \frac{3}{8} - \frac{1}{4} = - \frac{3}{8} - \frac{2}{8} = - \frac{5}{8} = - 0.625 \\ \frac{3}{5} - ( - \frac{11}{15} ) = \frac{9}{15} + \frac{11}{15} = \frac{20}{15} = \frac{4}{3} = 1 \frac{1}{3} \\ \frac{7}{12} - \frac{2}{3} = \frac{7}{12} - \frac{8}{12} = - \frac{1}{12} \\ \frac{1}{7} - \frac{1}{2} = \frac{2}{14} - \frac{7}{14} = - \frac{5}{14} \\ \frac{3}{4} - \frac{5}{6} = \frac{18}{24} - \frac{20}{24} = - \frac{2}{24} = - \frac{1}{12}$