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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 =
Answers
a) Calculate the mean of the following: 12, 5, 17, 16 = 12.5
b) 67 + 12 – 52 = 27