(6 1/7 - 5 3/4) : 11/14 + (3 3/4 - 1 5/6) : 1/6

Ответ:

12

Пошаговое объяснение:

(6 1/7 - 5 3/4) : 11/14 + (3 3/4 - 1 5/6) : 1/6= (43/7-23/4):11/14+(15/4-11/6):1/6= (172/28-161/28)11/14+(45/12-22/12):1/6=11/28:11/14+23/12:1/6= 11/28*14/11+23/12*6/1= 1/2+23/2=1/2+11 1/2=12