4
punti
Livello 0
$(-0,\overline3)+(-1,\overline3)+(-0,5)+(-0,\overline7)+(+0,1\overline6)=$
$= \big(-\frac{3-0}{9}\big)+\big(-\frac{13-1}{9}\big)+\big(-\frac{5}{10}\big)+\big(-\frac{7-0}{9}\big)+\big(+\frac{16-1}{90}\big)=$
$= \big(-\frac{1}{3}\big)+\big(-\frac{4}{3}\big)+\big(-\frac{1}{2}\big)+\big(-\frac{7}{9}\big)+\big(+\frac{1}{6}\big)=$
$= -\frac{1}{3}-\frac{4}{3}-\frac{1}{2}-\frac{7}{9}+\frac{1}{6}=$
mcm= 18 quindi:
$=\dfrac{-6-24-9-14+3}{18}=$
$= -\dfrac{50}{18} = -\dfrac{25}{9}$.
68278
punti
Genius I
@gramor 👍👍
@remanzini_rinaldo - Grazie mille Rinaldo, cordiali saluti.