6 6 6 6 6 6 6 6 6 6 6 6 6 6 6
1) form
2) primary
3) secondary
4) higher
5) national
7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
1) pre-school
2) junior
3) technical
4) undergraduate
5) postgraduate
Объяснение:
