Industrial Combinations. D. H. Macgregor
نویسندگان
چکیده
منابع مشابه
MOLLIE MACGREGOR and KAYE STACEY
Research studies have found that the majority of students up to age 15 seem unable to interpret algebraic letters as generalised numbers or even as specific unknowns. Instead, they ignore the letters, replace them with numerical values, or regard them as shorthand names. The principal explanation given in the literature has been a general link to levels of cognitive development. In this paper w...
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ژورنال
عنوان ژورنال: The International Journal of Ethics
سال: 1907
ISSN: 1526-422X
DOI: 10.1086/intejethi.17.3.2376130