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Calculation Task (Intermediate) 7


Complete the following calculations without a calculator:

a) Calculate the mean of the following: 12, 5, 17, 16

b) 67 + 12 – 52 = 
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Answers

a) Calculate the mean of the following: 12, 5, 17, 16 = 12.5

b) 67 + 12 – 52 = 27
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