Question
Which of the following gives a different answer from the others? Give the answer in letter. (Eg a)
  1. 377 + 372  
  2. 1529 - 780 
  3. 1647 - 898  
  4. 219 + 413  
2 m

Click button first when a symbol is required. X

Which of the following gives a different answer from the others? Give the answer in letter. (Eg a)
  1. 377 + 372  
  2. 1529 - 780 
  3. 1647 - 898  
  4. 219 + 413