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Exercises for mathematics teaching at comprehensive schools, grades 7 - 10. Uebungsmaterialien fuer den Mathematikunterricht an Gesamtschulen der Klassen 7 - 10. (German)
1989. 68 p. Copy held by FIZ Karlsruhe. Ser. Title: Gesamtschul-Informationen. Special print from 1/2 - 89: mathematics. [ISSN 0340-7268]
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