projekt	l_ucz	cena
1 	9 	5.1
2 	9 	8.0
3 	3 	9.7
4 	10 	7.8
5 	5 	7.7
6 	10 	5.5
7 	7 	8.3
8	11	5.5
9 	6 	10.3
10 	6 	8.0
11 	4 	8.8
12 	7 	9.4
13 	7 	8.6
14 	7 	8.1
15 	6 	7.8