1) 9 - 8 = 1
12 - 8 = 4
18 - 8 = 10
34 - 8 = 26
50 - 8 = 42
75 - 8 = 67
83 - 8 = 75
62 - 8 = 54
Ответ: 1; 4; 10; 26; 42; 67; 75; 54.
2) 8 : 8 = 1
24 : 8 = 3
16 : 8 = 2
56 : 8 = 7
72 : 8 = 9
32 : 8 = 4
Ответ: 1; 3; 2; 7; 9; 4.