Question
Which of the following ways is incorrect to work out the total number of stars? Give the answer in letter. (Eg a)
  1. 3 + 3 + 3 + 3 + 3 + 3 + 3 
  2. 8 + 8 + 8
  3. 8 x 3
  4. 3 x 8     
2 m

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Which of the following ways is incorrect to work out the total number of stars? Give the answer in letter. (Eg a)
  1. 3 + 3 + 3 + 3 + 3 + 3 + 3 
  2. 8 + 8 + 8
  3. 8 x 3
  4. 3 x 8