(19- 8 1/3) * 0,75
= --------------------------- =
(17/8 + 175/100) / 15,5
10 2/3 * 75/100
---------------------------- =
(17/8 + 7/4) / 15,5
32/3 * 3/4
------------------------------ =
(17/8 + 14/8) / 155/10
8
--------------------- =
31/8 * 10/155
8
---------------- =
5/4*5
8
--------- = 8*4 = 32
1/4