[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] = 21 2)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] = 3 6)[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]