53.3k views
4 votes
1+4=5
2+5=12
3+6=21
8+11=?

2 Answers

4 votes
so there get this results in this way

1+4 =5

2+5+5=12

3+6+12 =21

8+11+21=40
User Munge
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8.0k points
3 votes
it's 40=8+11+21 it adds the previous answer
User Gherbi Hicham
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7.6k points