Question

{2,3}+{5,4}+{1,9} supra {-2,3}+{-5,4}+{-1.9}, unde {x}=partea fractionara a lui x;

Answer 1

$\dfrac{\{2,3\}+\{5,4\}+\{1,9\}}{\{-2,3\}+\{-5,4\}+\{-1,9\}}=\dfrac{0,3+0,4+0,9}{0,7+0,6+0,1}=\dfrac{1,6}{1,4}=\boxed{\dfrac{8}{7}}$