Write down the value of the underlined digit



3 9 4 8
   -
Value of the underlined digit ___________

4 7 7 7
-
Value of the underlined digit ___________
5 8 3 2
        -
Value of the underlined digit ___________

5 8 7 9
      -
Value of the underlined digit ___________

2 8 6 4
        -
Value of the underlined digit ___________

3 9 9 9
   -
Value of the underlined digit ___________

8 4 3 5
-
Value of the underlined digit ___________