wakacje mamy hyba co nie
a) [latex]1 frac{5}{12} - frac{9}{8} -2 frac{5}{6} =1 frac{10}{24} - frac{27}{24} -2 frac{20}{24} = frac{34}{24} - frac{27}{24} -2 frac{20}{24} = frac{7}{24} -2 frac{20}{24} =-2 frac{13}{24} [/latex] b) [latex]6 frac{3}{4} -2 frac{2}{3} -3 frac{1}{6} =6 frac{9}{12} -2 frac{8}{12} -3 frac{2}{12} =4 frac{1}{12} -3 frac{2}{12} =3 frac{13}{12} -3 frac{2}{12} = frac{11}{12} [/latex] c) [latex]2 frac{2}{9} -3 frac{5}{6} +5 frac{1}{3} =2 frac{4}{18} -3 frac{15}{18} +5 frac{6}{18} =-1 frac{11}{18} +5 frac{6}{18} =-1 frac{11}{18} +4 frac{24}{18} =3 frac{13}{18} [/latex] d) [latex]2 frac{2}{9} +1 frac{5}{12} -frac {7}{8} = 2frac{16}{72}+1frac{30}{72}-frac{63}{72} = 3frac{46}{72}-frac{63}{72}=2frac{118}{72}-frac{63}{72}=2frac{55}{72}[/latex]