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GuDViN [60]
3 years ago
5

If 1+4=5 2+5=12 3+6=21 8+11=

Mathematics
2 answers:
mariarad [96]3 years ago
8 0
The answer is 19 because 11+8 equals 19. Lol, hope I helped. :)
Feliz [49]3 years ago
6 0
21 + 8 + 11
= 40
All you do is add  the answer from the previous answer to the sum that you are adding to  get your result
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