Question

8,42 1/3-10 5/6*8/13+1 1/15

Answer 1

$8.4:2 frac{1}{3} -10 frac{5}{6} * frac{8}{13} +1 frac{1}{15} = ? \ \ 1) 8.4 : 2 frac{1}{3} = frac{84}{10} : frac{7}{3} = frac{84}{10} * frac{3}{7} = frac{18}{5} \ \ 2) 10 frac{5}{6} * frac{8}{13} = frac{65}{6} * frac{8}{13} = frac{20}{3} \ \ 3) frac{18}{5} - frac{20}{3} = frac{54}{15} - frac{100}{15} = -frac{46}{15} \ \ 4) - frac{46}{15} +1 frac{1}{15} =- frac{46}{15} + frac{16}{15} =- frac{30}{15} =-2$

Ответ: -2