Tartaglia, Niccolo, Quesiti et inventioni diverse, 1554

Table of figures

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                <s id="s.002307">S
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                econdariamente, eglie il triangolo.a.b.c.che il lato.a.b. </s>
                <s id="s.002308">é.13.a.c.15.b.c.14.& la
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                ſua perpendicolare e la.a.d. </s>
                <s id="s.002309">& dall'angolo.b.tiro la linea.b.f.e. </s>
                <s id="s.002310">la qual ſega dalla li­
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                uea.a.d.la.f.d.la qual è.3.ſe adimanda la quantita delle due parti.a.e.&.e.c.
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              <figure id="id.042.01.216.2.jpg" xlink:href="042/01/216/2.jpg" number="93"/>
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                <s id="s.002311">H
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                or guardati ſel ui pare di moſtrarmi quella uostra regola de cenſo é cubo egual à nu­
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                mero, io ui moſtraro il modo di riſoluere queſti dui queſiti, quali in uero ſono belli, &
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                forti.
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                N. Q
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                ueſti egli ho per coſe facile, perche ſe mi dati tempo un'hora, io ue li da­
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                ro riſolti. </s>
                <s id="s.002312">Ma fati una coſa ch'io ui diro, l'anno paſſato mi furono portatitre uoſtri
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                queſiti, quali me porto Maestro Dominico da Vderzo, fra li quali uno ue ne era, qual
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                diceua in queſta forma.
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                </s>
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                <s id="s.002313">S
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                ono trei, che hanno comprato lire.20.di carne, & tante lire ne ha comprate uno
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                di loro, che moltiplicato tal numero de lire in ſe medeſimo, tal produtto è eguale alla
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                moltiplicatione delle lire, che hanno comprato glialtri dui, cioe quelle dell'uno fia quel
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                le dell'altro, & moltiplicate anchor le due menor quantita de lire, l'una ſia l'altra
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                fanno preciſamente.8. ſe adimanda la quantita delle lire della carne, che compro cadau
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                no per ſe, il qual queſito non uol dire altro in ſoſtantia, che far de.20.tre parti conti­
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                nue proportionale, in tal ſpecie di proportione, che moltiplicando le due menore, l'u­
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                na fia l'altra facciano.8.hor moſtratemi à ſoluere questo tal queſito con regola ge­
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                nerale, che io me offeriſco à moſtrarui il modo, & regola generale da riſoluere, quala
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                equatione ui pare di ſopradetti quattro capitoli.
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                A
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                benche ſo, che uoi non accettareti
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                queſto partito, perche uoi medeſimo non ſapeti riſoluere tal queſito. </s>
                <s id="s.002314">Et è gran coſa,
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                che non ui poßiati in tutto rimouere del voſtro uſo antico.
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                M.Z. </s>
                <s id="s.002315">E
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                ue diro il non é
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                manco bello il ſapere dimoſtrare la impoßibilita d'un caſo irreſolubile, quanto che è
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                à riſoluezne uno ſolubile.
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                NIC. Q
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                ueſta uoſtra ſcuſa non è buona, perche uoi </s>
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