Crux Mathematicorum Vol. 45, No. 5 « v45, n4 indexv45, n6 » May, 2019 PageContents 225 Editorial — Kseniya Garaschuk 226 MathemAttic: No. 5 226 Problems: MA21–MA25 229 Contest Corner Solutions: CC341–CC350 236 Problem Solving Vignettes: No. 5 — Shawn Godin 241 Teaching Problems: No. 2 — John McLoughlin 245 Olympiad Corner: No. 373 245 Problems: OC431–OC435 247 Solutions: OC386–OC395 258 Focus On . . . : No. 36 — Michel Bataille 265 Problems: 4441–4450 270 Solutions: 4351–4375 Read the issue below Download this issue (PDF) Crux Mathematicorum