Question

8,2-1,7=
5-0,74=
4,42-0,48=
12,3-1,74=
3-0,889=
4,329-2=
11,8-9,88=
10,1-2,734=

Answer 1

8,2 - 1,7 = 6,5
5 - 0,74 = 4,26
4,42 - 0,48 = 3,94
12,3 - 1,74 = 10,56
3 - 0,889 = 2,111
4,329 - 2 = 2,329
11,8 - 9,88 = 1,92 
10,1 - 2,734 = 7,266