Explain whether the use of brackets in the following calculations are necessary. Give a convincing reason for
Question:
Explain whether the use of brackets in the following calculations are necessary. Give a convincing reason for your answers.
a. 8 + (2 × 6) = 20
b. (3 + 2) 2 − 6 = 19
c. (42 − 6) + 8 = 18
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Related Book For 
Cambridge Checkpoint Lower Secondary Mathematics Student's Book 7
ISBN: 9781398301948
3rd Edition
Authors: Frankie Pimentel, Ric Pimentel, Terry Wall
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