Question

(3 2/7+5/7) - (3/13-1/13)
Решите плиз

Answer 1

1) 4
2) 2
3)2
вроде так

Answer 2

$(3 frac{2}{7} + frac{5}{7}) -( frac{3}{13}- frac{1}{13})= frac{4}{1} - frac{2}{13}=3 frac{11}{13}$