Question
Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)

  1. 13 = ?15
  2. 23 = 10?
  3. 27 = 621 = ?63
  4. 12 = 24 = 3?
2 m

Click button first when a symbol is required. X

Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)

  1. 13 = ?15
  2. 23 = 10?
  3. 27 = 621 = ?63
  4. 12 = 24 = 3?