| | | | | | | | | | | | | | | | | | 100 3 5 | 1\3 | | | | | | | | | | | 20 | | 20 5 | | | | | | | | | | | | | | | | | | | | | | | | | 15 | 10 15 300 | 400 10 20 30 | | | |