Question
Find the following values without a calculator.
Give your answers in this manner. (Eg 122334, 45)
  1. 23 + _____ = 1
  2. 720 + _____ = 1
  3. 720 + _____ = 1320
  4. 1611 + 3711 = _____
2 m

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Find the following values without a calculator.
Give your answers in this manner. (Eg 122334, 45)
  1. 23 + _____ = 1
  2. 720 + _____ = 1
  3. 720 + _____ = 1320
  4. 1611 + 3711 = _____