Помогите с примером!!!!!!!!!
(68/10-50/9):(73/30-25/12)x36/10=(34/5-50/9):146-125/60x36/10=306-250/45:21/60x36/10=56/45x60/21x36/10=8/5x6/3x4=8/5x2x4=64/5=12 4/5 или 12.8 как удобно
Помог хоть?
(6,8-5 5/9):(2 13/30- 2 1/12)×3,6=12,8 1) 6,8-5 5/9=6 4/5-5 5/9=6 36/45-5 25/45=1 11/45 2)2 13/30-2 1/12=2 26/60-2 5/60=21/60 3)1 11/45:21/60=56/45×60/21=8/3×4/3=32/9=3 5/9 4) 3 5/9×3,6=32/9×18/5=64/5= 12,8