die-beiden-trinomischenwurfel-zu-einem-arbeitskreis-mathematik-the-two-trinomial-cubes-to-a-mathematics-working-group-bnfdbhz2 Post date December 14, 2021 Tags Europe, Germany, Trinomial cube, Western Europe ← enstehungsgeschichte-einer-montessorischule-history-of-the-origins-of-a-montessori-school-nkxgayig → maria-wachendorf-1913-1998-maria-wachendorf-eine-wurdigung-zum-70-geburtstag-1983-maria-wachendorf-1913-1998-maria-wachendorf-a-tribute-to-her-70-birthday-1983-wmzuliq6