Question
Which of the following gives a different answer from the others? Give the answer in letter. (Eg a)
  1. 357 + 385 
  2. 712 - 751 
  3. 1661 - 919 
  4. 272 + 470
2 m

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Which of the following gives a different answer from the others? Give the answer in letter. (Eg a)
  1. 357 + 385 
  2. 712 - 751 
  3. 1661 - 919 
  4. 272 + 470