5/19(3 4/5 * 5 1/3 + 4 2/3 * 3,8)/0,005 = 2000
1) 3 4/5 * 5 1/3 = 19/5 * 16/3 = 304/15 = 20 4/15
2) 4 2/3 * 3,8 = 14/3 * 38/10 = 266/15 = 17 11/15
3) 20 4/15 + 17 11/15 = 37 15/15 = 38
4) 5/19 * 38 = 190/19 = 10
5) 10/0,005 = 10000 : 5 = 2000
