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

  1. 19 = ?45
  2. 12 = 3?
  3. 13 = 515 = ?75
  4. 14 = 28 = 9?
2 m

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

  1. 19 = ?45
  2. 12 = 3?
  3. 13 = 515 = ?75
  4. 14 = 28 = 9?