1 13 17 5 17. 1/2 - 5 Двенадцатых. (1/2,5-1-1/3 1/2-1):4/15. (2/5+1+6/5-1) (2/5-1). (2/5-0,6)/ (-1 1/4-1 1/3). (14, 2 / 1,2 - 1,05)Х 1,6 =. (1/13-1/14 )×(1/14-1/6)×(1/15-1/16):(1/16-1/17). (1/13+1/14):(1/13-1/14)*(1/27)=. Решить 1+1/(1+1/(1+1/2))