1) 6 16/19: 5*1/13*7 5/7: 1 17/19*1/6*28целых 2) 9 1/23*(14 *11/40: 7 7/10): 4: (39/115*3 1/3) 3)133/135: (19/75: (29/60*3: 7 1/4))*20 4/7: 24 4)(5/11*2 2/11): (0,06: 1,1): (2*5/88): 32 5)3: (2,75: (1 2/63: 1/7: 13)*5/66)*0,05 блогадарю тех кто