Crux Mathematicorum Vol. 52, No. 1 « v51, n10 indexv52, n2 » January, 2026 PageContents 3 In Memoriam 4 In Memoriam 6 In Memoriam 8 MathemAttic: No. 71 8 Problems: MA351–MA355 11 Solutions: MA326–MA330 16 Teaching Problems: No. 31 — John Grant McLoughlin 18 Problem Solving Vignettes: No. 40 — Shawn Godin 26 Competitions Highlights — Margo Kondratieva 33 Olympiad Corner: No. 439 33 Problems: OC761–OC765 36 Solutions: OC736–OC740 41 Problems: 5101–5110 46 Solutions: 5051–5060 Read the issue below Download this issue (PDF) Crux Mathematicorum