помогите плиз 4.5[47.375-(26 1/3-18*0.75)*2.4/0.88]/17.81/1.37-23 2/3/1 5/6

      4             3         1                2            6           5              (4,5:(47,375-(26 1/3-18*0,75)*2,4:0,88)):(17,81:1,37-23 2/3:1 5/6)=  0                                                                                                                          1)26 1/3-18*0,75=26 1/3 -13,5=26 1/3 -13 1/2=26 2/6 - 13 3/6=12 5/6     2)12 5/6*2,4:0,88=12 5/6*2 2/5:0,88=28 4/5:22/25=35          3) 47,375-35=12,375       4)4,5:12,375=0    5)17,81:1,37-23 2/3 : 1 5/6=13-12 10/11=1/11    6)0:1/11=0