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    A Problem Solving Approach
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    Exam 4: Number Theory
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    Find the GCD for the Given Numbers by an Appropriate
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Find the GCD for the Given Numbers by an Appropriate

Question 69

Question 69

Multiple Choice

Find the GCD for the given numbers by an appropriate method.
-60 and 90


A) 10
B) 30
C) 15
D) 6

Correct Answer:

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