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

  1. 20 + 1
  2. 86 + 7
  3. 59 + 2
  4. 57 + 68
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. 20 + 1
  2. 86 + 7
  3. 59 + 2
  4. 57 + 68