5
9
=
____________________
D
+
____________________
U
=
5
9
9
6
=
____________________
D
+
6
____________________
=
____________________
6
1
5
=
____________________
D
+
5
U
=
1
5
1
2
0
=
____________________
C
+
____________________
D
+
____________________
U
=
1
2
0
1
3
5
=
1
____________________
+
____________________
D
+
5
____________________
=
1
3
5
1
2
7
=
____________________
C
+
2
____________________
+
____________________
U
=
1
2
7
8
9
3
=
____________________
C
+
9
D
+
____________________
U
=
8
____________________
3
