Question

Scrie fiecare dintre numerele urmatoare sub forma 5xa+b : b<5, apoi grupeaza numerele dupa restul obtinut prin impartirea la 5 :
17:32:26:30:5:9:22:38:47:14.

Answer 1

   
[tex]17= 5 \times 3 + 2 \\ 32 = 5 \times 6+ 2 \\ 26 = 5 \times 5+ 1 \\ 30 = 5 \times 6+ 0 \\ 5 = 5 \times 1+ 0 \\ 9 = 5 \times 1+ 4 \\ 22 = 5 \times 4+ 2 \\ 38 = 5 \times 7+ 3 \\ 47 = 5 \times 9+ 2 \\ 14 = 5 \times 2+ 4 [/tex]


[tex]\texttt{Grupare dupa rest: } \\ \\ \texttt{rest = 0 } \\ 30 : 5 = 6 ~ rest ~0 \\ 5 : 5 = 1 ~ rest ~0 \\ \\ \texttt{rest = 1 } \\ 26 : 5 = 5~ rest ~ 1 \\ \\ \texttt{rest = 2 } \\ 17: 5 = 3 ~ rest ~ 2 \\ 32 : 5 = 6~ rest ~ 2 \\ 22 : 5 = 4~ rest ~2 \\ 47 : 5 = 9~ rest ~ 2 [/tex]

[tex]\texttt{rest = 3 } \\ 38 : 5 = 7~ rest ~ 3 \\ \\ \texttt{rest = 4 } \\ 9 : 5= 1~ rest ~ 4 \\ 14 : 5 = 2~ rest ~ 4 [/tex]