Question

найдите значение вырожения 1 79 + 28+ 2512+5 29+712+434

Answer 1

16/9+28/1+25/12+47/9+7/12+43/4=(16/9+47/9)+(25/12+7/12)+28/1+43/4=63/9+32/12+28/1+43/4=(32/12+43/4)+35=(32/12+129/12)+35=161/12+35=35 161/12