Crux Mathematicorum Vol. 48, No. 2 « v48, n1 indexv48, n3 » February, 2022 PageContents 60 Upcoming special issue in memory of Bruce Shawyer 61 MathemAttic: No. 32 61 Problems: MA155–MA160 63 Solutions: MA131–MA135 67 From the bookshelf of . . . — Andy Liu 70 Teaching Problems: No. 15 — Margo Kondratieva 80 Olympiad Corner: No. 400 80 Problems: OC566–OC570 82 Solutions: OC541–OC545 89 The Last Problem: Demystified — Sam Hopkins 94 Problems: 4711–4720 99 Solutions: 4661–4670 Read the issue below Download this issue (PDF) Crux Mathematicorum