Question

determinati nr. nat. de 2 cifre care impartite la 6 dau r. 4 si imp. la 8 dau r. 6.

Answer 1

Nr de forma ab
Ab÷6=c rest 4
Ab=6c+4
Ab÷8=c rest 6
Ab=8c+6
C-cat
6c+4=8c+6
8c-6c=6-4
2c=2
C=2÷2
C=1
Ab=6×1+4
Ab=10
Ab=8×1+6
Ab=14
Ab={10,14}