Oblicz jak najprostszym sposobem. [latex]12-frac{2}{7}-7+13frac{3}{7}[/latex]  [latex]-5,8+2,7-2,2+0,3[/latex] [latex]-5frac{1}{8}+1frac{1}{12}+2frac{7}{12}+frac{1}{8}[/latex] [latex]-0,5-frac{3}{4}+1frac{1}{2}-0,25[/latex]

Oblicz jak najprostszym sposobem. [latex]12-frac{2}{7}-7+13frac{3}{7}[/latex]  [latex]-5,8+2,7-2,2+0,3[/latex] [latex]-5frac{1}{8}+1frac{1}{12}+2frac{7}{12}+frac{1}{8}[/latex] [latex]-0,5-frac{3}{4}+1frac{1}{2}-0,25[/latex]