Crux Mathematicorum Vol. 45, No. 2 « v45, n1 indexv45, n3 » February, 2019 PageContents 55 Editorial — Kseniya Garaschuk 56 MathemAttic: No. 2 56 Problems: MA6–MA10 58 Contest Corner Solutions: CC311–CC320 66 Problem Solving Vignettes: No. 2 — Shawn Godin 69 Olympiad Corner: No. 370 69 Problems: OC416–OC420 72 Solutions: OC356–OC365 82 Problem Solving Toolbox: Correspondence — Olga Zaitseva 85 Problems: 4411–4420 90 Solutions: 4300, 4311–4320 104 Snapshot Read the issue below Download this issue (PDF) Crux Mathematicorum