Результаты поиска - "Number concept."

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    The child's understanding of number по Gelman, Rochel

    Опубликовано 1978
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    Number work for school leavers по Kraft, E

    Опубликовано 1969
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    Children's numbers по Sophian, Catherine

    Опубликовано 1995
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    Numbers without end по Lanczos, Cornelius 1893-

    Опубликовано 1968
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    Children and number difficulties in learning mathematics по Hughes, Martin

    Опубликовано 1986
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    Magic house of numbers по Adler, Irving

    Опубликовано 1957
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