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

  1. 20 - 1 = _____
  2. 76 - 43 = _____
  3. 61 - 38 = _____
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)

  1. 20 - 1 = _____
  2. 76 - 43 = _____
  3. 61 - 38 = _____