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    Сообщение

    (4,9-х)/1,2=3 решите...

    4.9-х=3*1,2 4,9-х=3,6 -х=3,6-4,9 -х=-1,3 х=1,3
    Сообщение от: lost in the supermarket, 20 мар 2010 в разделе: Математика
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