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

  1. 3 + _____ = 7
  2. 6 + _____ = 17
  3. 15 + _____ = 19
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. 3 + _____ = 7
  2. 6 + _____ = 17
  3. 15 + _____ = 19