YarikShow1 (0,5:1,25 + 3 1/2 * 1,03 - 1,005):(2 1/16 - 1 23/24)
1) 0,5 : 1,25 = 0,4
2) 3 1/2 * 1,03 = 3,5 * 1,03 = 3,605
3)3,605 + 0,4 = 4,005
4) 4,005 - 1,005 = 3
5) 2 1/16 - 1 23/24 = 2 1/16³ - 1 23/24² = 2 2/48 - 1 46/48 = 1 50/48 - 1 46/48 = 4/48 = 1/12
6) 3 : 1/12 = 36/36 : 1/12 = 36/36 : 12/1 = 36/3 = 12