Seudónimo Seudónimo
  • 16-02-2021
  • Mathematics
contestada

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

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Аноним Аноним
  • 16-02-2021
8 + 11 = 19
The answer is 19
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