Пошаговое объяснение:
а) 18/12 = 1 6/12 = 1 1/2
18: 3/2 = 18 * 2/3 = 36/3 = 12
б) 4,5 : 1,05 = 4 5/10 : 1 5/100 = 4 1/2 : 1 1/20 =
9/2 * 20/21 = 180/42 = 4 12/42 = 4 2/7
в) 0,5 : 13 = 5/10 : 13 = 1/2 * 1/13 = 1/26
0,5 : 3/2 = 5/10 : 3/2 =
1/2 * 2/3 = 1/3
г) 23 : 110 = 23/110
Пошаговое объяснение:
а) 18/12 = 1 6/12 = 1 1/2
18: 3/2 = 18 * 2/3 = 36/3 = 12
б) 4,5 : 1,05 = 4 5/10 : 1 5/100 = 4 1/2 : 1 1/20 =
9/2 * 20/21 = 180/42 = 4 12/42 = 4 2/7
в) 0,5 : 13 = 5/10 : 13 = 1/2 * 1/13 = 1/26
0,5 : 3/2 = 5/10 : 3/2 =
1/2 * 2/3 = 1/3
г) 23 : 110 = 23/110