Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 4 - Number Representation and Calculation - 4.3 Computation in Positional Systems - Exercise Set 4.3 - Page 235: 56

Answer

The first difficulty is: The resultant number should not exceed the base value. Thus, repeated conversion from base ten to given base value is required, which is a tiresome job. The second difficulty is: In case of addition and subtraction, borrow and carry must be in groups of the base value other than for base ten.
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