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

  1. 47 = ?21
  2. 57 = 10?
  3. 24 = ?2
  4. 1421 = 4?
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. 47 = ?21
  2. 57 = 10?
  3. 24 = ?2
  4. 1421 = 4?