Б) 557/11 - 556/11 = 385/11 - 330/11 = 55/11 = 5
Г) 12/19 23/15 - 12/19 4/15 = 276/285 - 48/285 = 228/285 = 76/95
Д) 22/21 5/14 + 20/21 5/14 = 110/294 + 100/294 = 210/294 = 70/98 = 35/49
Е) 47/11 1/2 - 25/11 1/2 = 47/22 - 25/22 = 22/22 = 1
Б) 557/11 - 556/11 = 385/11 - 330/11 = 55/11 = 5
Г) 12/19 23/15 - 12/19 4/15 = 276/285 - 48/285 = 228/285 = 76/95
Д) 22/21 5/14 + 20/21 5/14 = 110/294 + 100/294 = 210/294 = 70/98 = 35/49
Е) 47/11 1/2 - 25/11 1/2 = 47/22 - 25/22 = 22/22 = 1