1) -3 1/3 * 1,9 = -10/3 * 19/10 = -19/3 = -6 1/3,
2) 19,5 : 4 1/3 = 195/10 : 13/3 = 195/10 * 3/13 = 4 1/2 (или 4,5),
3) -6 1/3 + 4 1/2 = -19/3 + 9/2 = -38/6 + 27/6 = -11/6 = - 1 5/6,
4) 0,16 - 62/75 = 16/100 - 62/75 = 48/300 - 248/300 = 200/300 = 2/3,
5) -1 5/6 : 2/3 = -11/6 * 3/2 = -11/4 = -2 3/4 (или -2,75)