Suchresultat (vergriffene ausbl., learning math; how teach math; classroom; number representation; decimal place value; marked value; writing; language; ancient egyptian; abacus; counting coin; roman numeral; tabula; chinese symbols; japanese; hindu arabic; computation; fraction; neg)

Paul Lockhart, Lockhart Paul Arithmetic Englisch 31.07.2019 Taschenbuch CHF 33.50 3-5 Wochen