Math, asked by rafinsami04, 9 months ago

The numbers obtained by only using the digits 1, 2 and 3 are written in ascending order: 1, 2, 3, 11, 12, 13, ... . What is the 2021-th number in this sequence?​

Answers

Answered by bhagatbroshani
0

Answer:

  • 11:
  • 21
  • 31
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