7 기
8) Completează şirurile cu încă 4 termeni:
0,2,4,6,
. 20, 19, 18,
. 16, 18, 20,
11, 13, 15,
. 31, 30,
- 0, 5, 10,
0, 4, 8,
• 0, 31, 1, 30, 2,
• 0,20, 2, 18,
• 0,1,3,6,
6, 9, 12,
24, 1, 20, 3, 16, 5,​