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18 December, 16:08

1+4 = 5, 2+5=12, 3+6=21 then 8+11 ...

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Answers (2)
  1. 18 December, 16:30
    0
    The answer to 8 + 11 is 19
  2. 18 December, 16:50
    0
    You take the 5 from the first part and add it to the 2+5. This gives you 12. Then take the 12 + (3+6) and this gives you 21. 21 + (8+11) and you get 40.
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