Răspuns :
a) 396 , 369, 639, 693, 936, 963 B) 475, 457, 574,547,754,745 C) 872,827,728,782, 287,278
a)396; 369; 693; 639; 936; 963.
b)475; 457; 547; 574; 754; 745.
c)872; 827; 278; 287; 782; 720.
b)475; 457; 547; 574; 754; 745.
c)872; 827; 278; 287; 782; 720.