е) 7:3 = 7 ÷ 3 = 2 целых и остаток 1, то есть 2 1/3ж) 2 1/7 : 1 11/14 = (15/7) : (25/14) = 30/7 : 25/14 = 30/7 14/25 = 60/5 = 12з) 3 3/5 : 1 11/25 = (18/5) : (36/25) = 18/5 25/36 = 90/36 = 15/6 = 5/2и) 2 3/23 : 7 21/46 = (49/23) : (3289/46) = 49/23 46/3289 = 112/151 = 56/75к) 2 47/49 : 12 3/7 = (143/49) : (87/7) = 143/49 7/87 = 143/7 / 49/87 = 143/7 87/49 = 143/49 87/49 = 12441/2401 = 5 923/2401
е) 7:3 = 7 ÷ 3 = 2 целых и остаток 1, то есть 2 1/3
ж) 2 1/7 : 1 11/14 = (15/7) : (25/14) = 30/7 : 25/14 = 30/7 14/25 = 60/5 = 12
з) 3 3/5 : 1 11/25 = (18/5) : (36/25) = 18/5 25/36 = 90/36 = 15/6 = 5/2
и) 2 3/23 : 7 21/46 = (49/23) : (3289/46) = 49/23 46/3289 = 112/151 = 56/75
к) 2 47/49 : 12 3/7 = (143/49) : (87/7) = 143/49 7/87 = 143/7 / 49/87 = 143/7 87/49 = 143/49 87/49 = 12441/2401 = 5 923/2401