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MathNet 2006 — Part 03 Question 50

Math Olympiad Vault · MathNet 2006 — Part 03

Question 50

Determine which statements are true:

(A) $|-108|\gt 100$

(B) $|5-13|=|5|-|13|$

(C) $|2-9|=9-2$

(D) $|a^{2}+5|=a^{2}+5$

(E) $|-6 a|=6|a|$