drklein51 drklein51

02-12-2016
Mathematics

contestada

1+4=5, 2+5=12, 3+6=21, and 8+11=?

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MusicFreak MusicFreak

02-12-2016

Your answer is 40. 2+5+the previous number=12 3+6+12=21, 8+11+21=40

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