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

  1. 15 - _____ = 12
  2. 8 - _____ = 7
  3. 12 - _____ = 10
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. 15 - _____ = 12
  2. 8 - _____ = 7
  3. 12 - _____ = 10