« In A sense, Khwarizmi kan zijn more entitled to be called « the father ofwel algebra » than Diophantus because Khwarizmi is the first to teach algebra in an elementary form and for its own sake, Diophantus kan zijn primarily concerned with the theory of numbers. » 知乎，让每一次点击都充满意义 —— https://telegra.ph/Hoeveel-u-moet-verwachten-u-betaalt-voor-een-goede-monteren-wrapfolie-05-29