Write down the value of the underlined digit
5 8 6 9
   -		 Value of the underlined digit ___________
1 6 3 5
-		 Value of the underlined digit ___________
1 9 6 3
        -		 Value of the underlined digit ___________
4 9 6 9
      -		 Value of the underlined digit ___________
4 8 5 2
        -		 Value of the underlined digit ___________
3 9 7 8
   -		 Value of the underlined digit ___________
9 7 5 3
-		 Value of the underlined digit ___________