1.

7 * 6 = 42
7 * 4 = 28
7 * 8 = 56
14 / 7 = 2
21 / 7 = 3
35 / 7 = 5
5 * 7 = 35
7 * 9 = 63
7 * 7 = 49
25 / 5 = 5
30 / 6 = 5
42 / 7 = 6
3 * 6 = 18
6 * 8 = 48
7 * 2 = 14