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Nummer-naar-Letter-codes

Nummers decoderen door ze om te zetten naar de bijbehorende letter.

Leren

Nummers decoderen door ze om te zetten naar de bijbehorende letter.

Number-to-letter decoding is the reverse of letter-to-number encoding. Given a sequence of numbers, convert each to the letter at that position in the alphabet: 1=A, 2=B, 3=C, etc. The key skill is quickly recognizing position values, especially for letters later in the alphabet.

1=A, 2=B, 3=C, ... 26=Z

  • 19-21-14 = SUN
  • 2-15-15-11 = BOOK
  • 23-1-20-5-18 = WATER

Zo herkent u het

  • Given numbers, asked to find the word
  • Numbers are between 1 and 26
  • Decode by finding the letter at each position

Veelgemaakte fouten

  • Confusing high numbers (is 20 T or U?)
  • Not recognizing common patterns (15=O, 5=E)
  • Mixing up single and double digit parsing

Stapsgewijze uitwerking

Decodeer de reeks 19-21-14

  1. 19 is de 19e letter = S
  2. 21 is de 21e letter = U
  3. 14 is de 14e letter = N

Antwoord: SUN

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