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

  1. 15 = ?30
  2. 67 = 54?
  3. 38 = 924 = ?72
  4. 110 = 220 = 5?
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. 15 = ?30
  2. 67 = 54?
  3. 38 = 924 = ?72
  4. 110 = 220 = 5?