Question

Помогите решить математику!

Answer 1

$(-13 \frac{3}{4} + (-5 \frac{5}{6} ))+(- 1\frac{2}{3} )=-18 \frac{9+10}{12} -1 \frac{8}{12} =\\\\=-19 \frac{19-8}{12} =-19 \frac{11}{12}$