i “NLMS_492” — 2020/12/21 — 10:40 — page 1 — #1 i i i NEWSLETTER Issue: 492 - January 2021 RUBEL’S MATHEMATICS FOUR PROBLEM AND DECADES INDEPENDENCE ON i i i i i “NLMS_492” — 2020/12/21 — 10:40 — page 2 — #2 i i i EDITOR-IN-CHIEF COPYRIGHT NOTICE Eleanor Lingham (Sheeld Hallam University) News items and notices in the Newsletter may
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