Question

(1целая 1/3 + 2 целых 5/6) : (0,75 - 1 целая 1/6 ) - 15,6

Answer 1

1) 1 1/3 + 2 5/6 = 1 2/6 + 2 5/6 = 3 7/6 = 4 1/6
2) 0,75 - 1 1/6 = 3/4 - 1 1/6 = 9/12 - 1 2/12 = 9/12 - 14/12 = - 5/12
3) 4 1/6 : ( - 5/12 ) = 25/6 : ( - 5/12 ) = - 10
25
4) - 10 - 15,6 = - 25,6
ответ ( - 25,6 )

Answer 2

$\frac{1\frac{1}{3}+2\frac{5}{6}}{0,75-1\frac{1}{6}}-15,6=\frac{\frac{8}{6}+\frac{17}{6}}{\frac{9}{12}-\frac{14}{12}}-15,6=\frac{25}{6}*(-\frac{12}{5})-15,6=\\-\frac{5}{1}*\frac{2}{1}-15,6=-10-15,6=-25,6=-(5^2+\sqrt{0,36})$