👤

0,()2+1,(3) explicat si 8,2(31)-2,(35)

Răspuns :

0,(2)+1,(3) =2/9+(13-1)/9=2/9+12/9=14/9=1,(5)
8,2(31)-2,(35)=(8231-82)/990 - (235-2)/99=8149/990 - 
¹⁰⁾233/99=8149-2330/990=5819/990=5,8(7)