5 целых 47 : 1 целую 521- (5 целых 215 * 322+ 1 целую 1415

[latex]5 frac{4}{7} : 1 frac{5}{21} - (5 frac{2}{15} * frac{3}{22} + 1 frac{14}{15})[/latex] = [latex]1 frac{13}{15} [/latex]1) [latex]5 frac{2}{15} * frac{3}{22}[/latex] = [latex] frac{77*3}{15*22}[/latex] = [latex]frac{7*1}{5*2} [/latex] = [latex] frac{7}{10} [/latex]2) [latex]frac{7}{10} + 1 frac{14}{15}[/latex] = [latex]frac{21}{30} + frac{58}{30} [/latex] = [latex] frac{79}{30} [/latex]3) [latex]5 frac{4}{7} : 1 frac{5}{21}[/latex] = [latex]frac{39*21}{7*26} [/latex] = [latex]frac{3*3}{1*2}[/latex] = [latex] frac{9}{2} [/latex]4) [latex]frac{9}{2} - frac{79}{30}[/latex] = [latex]frac{135}{30} - frac{79}{30}[/latex] = [latex] frac{56}{30} [/latex] = [latex] frac{28}{15} [/latex] = [latex]1 frac{13}{15} [/latex]