Question

produsul a doua nr nat este egal cu 925.marind nr cu 12produsul devine 1225.determinati cele doua nr

Answer 1

[tex]a*b=925 =\ \textgreater \ a=\frac{925}{b}\\ (a+12)*b=1225\\ (\frac {925}{b}+12)*b=1225\\ 925+12b=1225\\ 12b=300=\ \textgreater \ b=25\\ a=\frac{925}{25}=\ \textgreater \ a=37[/tex]