7, 4, _____
10, 12, 14, _______
7, 6, 5, ______
3,5,7,____
7,10. _____
25, 20, ______
9, 12, 15, 18, _____
24, 21, _____
14, 12, 10, _______
8,9,____
8
1
18
4
13
15
16
21
9
10
