1,3,3,6,7,9,?,12,21.
Answers
Answered by
1
Answer:
answer 9
Explanation:
1+2=3
3+0=3
7+2=9
9-0=9
Answered by
0
Answer:
10
Explanation:
1
2+1=3
3×2=6
6+1=7
7+2=9
9+1=10
10+2=12
12+1=13
13+2=15
15+1=16
16+2=18
18+1=19
19+2=21
Similar questions