3, 6, 12,?, 33answer
Answers
Answered by
1
Answer:
...
21
Step-by-step explanation:
...
See the number is increasing by 3,6,9,12 that table of 3 so the missing number is 21...
Answered by
0
Answer:
21
Step-by-step explanation:
3+3=6
6+3+3=12
12+3+3+3=21
21+3+3+3+3=33
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