Делители чисел 9 - 9, 3, 1
14 - 14, 7, 2, 1
32 - 32,16, 8, 4, 2, 1
37 - 37, 1
45 - 45, 15, 9, 5, 3, 1
75 - 75, 25, 15, 5, 3, 1
Кратные чисел 8 - 8, 16, 24, 32
11 - 11, 22, 33, 44
15 - 15, 30, 45, 60
25 - 25, 50, 75, 100
40 - 40, 80, 120, 160
100 - 100, 200, 300, 400
2) 5/8 -x = 7/12
х=5/8-7/12
х=15/24-14/24
х=1/24
3) x × 17/18=34/81
х=34/81:17/18
х=34/81×18/17
х=4/9