Question
Find the following values without a calculator.
  1. - 11 - 20 = _______
  2. - 11 + 19 = _______
  3. - 15 + 11 = _______
  4. - 20 - 15 = _______
1 m

Click button first when a symbol is required. X

Find the following values without a calculator.
  1. - 11 - 20 = _______
  2. - 11 + 19 = _______
  3. - 15 + 11 = _______
  4. - 20 - 15 = _______