a) 6/7 - 5/7 = 1/7 11/15 - 3/15 = 8/15 7/9 - 5/9 = 2/9 b) 2 3/5 - 1/5 = 2 2/5 5 - 1/2 = 4 1/2 4 7/13 - 2 = 2 7/13 c) 5 - 2 1/3 = 4 3/3 - 2 1/3 = 2 2/3 7 4/7 - 2 1/7 = 5 3/7 6 7/8 - 3 5/8 = 3 2/8 = 3 1/4 pozdrawiam
Witaj :) [a] [latex] frac{6}{7} - frac{5}{7} = frac{1}{7} [/latex] [latex] frac{11}{15} - frac{3}{15} = frac{8}{15} [/latex] [latex] frac{7}{9} - frac{5}{9} = frac{2}{9} [/latex] [b] [latex]2 frac{3}{5} - frac{1}{5} =2 frac{2}{5} [/latex] [latex]5- frac{1}{2} = 5 - 0,5 = 4,5[/latex] [latex]4 frac{7}{13} - 2 = frac{59}{13} - frac{2}{1} = frac{59}{13} - frac{26}{13} = frac{33}{13} = 2 frac{7}{13} [/latex] [c] [latex]5-2 frac{1}{3} = frac{5}{1} - frac{7}{3} = frac{15}{3} - frac{7}{3} = frac{8}{3} = 2 frac{2}{3} [/latex] [latex]7 frac{4}{7} - 2 frac{1}{7} = 5 frac{3}{7} [/latex] [latex]6 frac{7}{8} - 3 frac{5}{8} = 3 frac{2}{8} = 3 frac{1}{4} =3,25[/latex] Mam nadzieję, że pomogłam :)