DE ARITHMETICA GEOMETRICA. lip Regula II. Invenitur eiiam cubi radix ab/que rota pr&ceiente , nam produ&us numerUs proxime accedensadcubivaloremductaaliquaradiceinfe, quadratum quod eftprodu£tum,iteruminradicemducl:us,entilliusquadraticubus;velducendo aliquem numerum quadratum in radicem,cujus… … Rcgula III. Zfividaturnumerus CubicminfeclionesexiribuslocU vel figurit confiflentes , inripfe endoadextra verfmfinifiram, lineaqae femilunark exprimaturjuxta dextram extremita- iem, hocmodo. z6 463 592. ( Regula IV. Vnaqmquenumeri cubici fettiohabebit nonnifi unicam figwam pro radice, quain…
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