Ответ:
3
Пошаговое объяснение:
3 1/3:10=10/3*1/10=1/3
0,175:0,35=0,5=5/10=1/2
1/3+1/2=2/6+3/6=5/6
1 11/17*51/56=28/17*51/56=3/2=1,5
1,75-1,5=0,25=25/100=1/4
5/6:1/4=5/6*4/1=10/3
11/18-1/15=55/90-6/90=49/90
49/90:1.4=49/90:14/10=49/90*10/14=7/18
0.5-1/9=1/2-1/9=9/18-2/18=7/18
7/18*3=7/6
7/18:7/6=7/18*6/7=1/3
10/3-1/3=9/3=3