completeaza numerele care lipsesc 3440;3442....

Răspuns :

3440,3442,3444,3446,3448,3450,3452,3454,3456,3458,3460(din 2 in 2 )
3440; 3442; 3446; 3448; 3450, etc.

Sirul merge din 2 in 2
3442-3440=2