- 12
- 21
- 32
- 35
- b
-
Add 9 in First and -4 in second
2+9=11
11-4=7
7+9=16
16-4=12
12+9=21
21-4=17
17+9=26
Add 9 in First and -4 in second
2+9=11
11-4=7
7+9=16
16-4=12
12+9=21
21-4=17
17+9=26