Maths Olympiad Prep

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, 2013

Algebra Difficulty 1.0 Junior Find the answer Canada

The value of (5×3)2(5\times 3)-2 is

Pick one

Solution

Evaluating, (5×3)2=152=13.(5\times3)-2=15-2=13.

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.