Question

2
(15
5
(-6 + 3) (3 – 4,5)
–
17

Answer 1

$\displaystyle (-6\frac{2}{5}+3)(3-4,5)*\frac{5}{17}=(-\frac{32}{5}+3)(-1,5)*\frac{5}{17}=-\frac{17}{5}*(-\frac{3}{2})*\frac{5}{17}=\frac{3}{2}=\\ \\ 1\frac{1}{2}=1,5$