3 years ago

1+4=5 2+5=12 3+6=21 8+11=? puzzle answer

1 answer:

3 0

Ok this is how it work:

1+4=5
2+5=12=2+1+4+5=12
3+6=21=12+3+6=21
8+11=? do the same to that take 21+8+11=40

ask me if you don't get it. I explain it further.

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