(12 1/8 - 5 5/16 + 3 1/4) : (- 13 5/12) + 6,35 (97/8 - 85/16 + 13/4) : (-161/12) + 6,35
--------------------------------------------------------------- = -------------------------------------------------------=
(2 2/3 + 3/5) * (- 2 1/7) (8/3 + 3/5) * (- 15/7)
(194/16 - 85/16 + 52/16) : (- 161/12) + 6,35 161/16 : (- 161/12) + 6,35
=-------------------------------------------------------------------= ---------------------------------------------=
(40/15 + 9/15) * ( - 15/7) 49/15 * (- 15/7)
161/16 * (- 12/161) + 6,35 - 3/4 + 6,35 - 3/4 + 635/100 - 75/100 + 635/100
=--------------------------------------= -------------------=-------------------------=------------------------------=
- 7 - 7 - 7 - 7
560/100 5,6
=---------------=--------- = - 0,8
- 7 - 7