4 3/4 : 1/4 -2 3/14*7=
4 целых 3/4:1/4-2целых3/14*7=
4 .3/4 : 1/4 -2. 3/14*7=4.3-1.15=3.15
19/4 ×4/1-31/14×7=19-31/2=34,5
43/4×4/1-23/14*7=43-23/2=109/2=54,5
43\4:1\4-23\14*7=43-11,5=31,5
4целых3/4:1/4-2 целых3/14*7=