Question
Find the following values without a calculator.
  1. - 18 - 13 = _______
  2. - 13 + 17 = _______
  3. - 14 + 13 = _______
  4. - 13 - 18 = _______
1 m

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Find the following values without a calculator.
  1. - 18 - 13 = _______
  2. - 13 + 17 = _______
  3. - 14 + 13 = _______
  4. - 13 - 18 = _______