Messung der mathematischen Kenntnisse bei SchülerInnen der 5. und 8. Klasse m...
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Many children and young people become school dropouts in mathematics during their school years - often with relatively good intelligence and relatively low difficulties in the...
众多儿童与青少年在求学阶段出现数学学科辍学的情况——他们往往具备较为优异的智力水平，且在……方面面临的困难相对较低
