Question

-(4 11/15-1 7/12):8,4+0,9•11/12

Answer 1

-(4 44/60-1 35/60):8 2/5+9/10*11/12= -3 3/20:42/5+44/40= - 63/20*5/42+11/10= -21/56+11/10= - 3/8+11/10= - 15/40+44/40=29/40

Answer 2

блин, там где 9/10*11/12=33/40

Answer 3

- 3/8+33/40= - 15/40+33/40=18/40=9/20

Answer 4

44/40 (11/10) - не пиши