Library / /70 of 472

, 2007

Algebra Difficulty 1.0 Junior Find the answer Canada

What is the value of $1^{-2} + 2^{-1}$ ?

(A) $\dfrac{3}{2}$ (B) $\dfrac{1}{27}$ (C) $4$ (D) $-4$ (E) $9$

Want a route through all this instead of an archive? The track puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.

Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.