Question
Which of the following gives a different answer from the others? Give the answer in letter. (Eg a)
  1. 354 + 308 
  2. 1371 - 742 
  3. 1721 - 1059 
  4. 199 + 463
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. 354 + 308 
  2. 1371 - 742 
  3. 1721 - 1059 
  4. 199 + 463