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

  1. 81 + 4
  2. 87 + 9
  3. 56 + 2
  4. 85 + 66
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. 81 + 4
  2. 87 + 9
  3. 56 + 2
  4. 85 + 66