Cześć!
Szczegółowe wyjaśnienie:
[tex] \frac{11}{5} + ( - 2 \frac{3}{4} ) = \frac{11}{5} - 2 \frac{3}{4} = \frac{11}{5} - \frac{11}{4} = - \frac{11}{20} [/tex]
[tex] - 1.6 - (3.4) = - (1.6 + 3.4) = - 5[/tex]
[tex] - 3 \frac{2}{3} + 1 \frac{5}{4} = 3 \frac{2}{3} + 2 \frac{1}{4} = 3 \frac{8}{12} + 2 \frac{3}{12} = 5 \frac{11}{12} [/tex]
