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

  1. _____ - 66 = 88
  2. _____ - 44 = 15
  3. _____ - 28 = 19
  4. _____ - 63 = 21
1 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, 4)

  1. _____ - 66 = 88
  2. _____ - 44 = 15
  3. _____ - 28 = 19
  4. _____ - 63 = 21