Psychology, asked by rahulyadav789798, 20 hours ago

1,3,3,6,7,9,?,12,21.​

Answers

Answered by narengopesh
1

Answer:

answer 9

Explanation:

1+2=3

3+0=3

7+2=9

9-0=9

Answered by iamkhan18077
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

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