[latex] frac{3}{14} * (1 frac{1}{2}*14:28)+48 frac{3}{5} :6 frac{3}{4}* frac{5}{12} [/latex]

По действиям:1)1[latex] frac{1}{2} [/latex]*14 = [latex] frac{3*14}{2} [/latex] = 212)21:28 = [latex] frac{21}{28} [/latex]3)[latex] frac{3}{14} [/latex]*[latex] frac{21}{28} [/latex] = [latex] frac{9}{56} [/latex]4)48[latex] frac{3}{5} [/latex]:6[latex] frac{3}{4} [/latex] = [latex] frac{243*4}{5*27} [/latex] = [latex] frac{36}{5} [/latex]5)[latex] frac{36}{5} [/latex]*[latex] frac{5}{12} [/latex] = [latex] frac{36*5}{5*12} [/latex] = 36)[latex] frac{9}{56} [/latex]+3 = [latex] frac{9}{56} [/latex]+[latex] frac{168}{56} [/latex] = [latex] frac{177}{56} [/latex] = 3[latex] frac{9}{56} [/latex]