5
+
4
=
__
8
9
5
3
+
4
=
__
7
6
8
3
+
5
=
__
9
7
8
7
+
2
=
__
8
9
7
6
+
2
=
__
8
6
7
3
+
4
=
__
8
6
7
3
+
3
=
__
5
6
7
3
+
2
=
__
5
6
7
3
+
2
=
__
4
6
5
2
+
2
=
__
3
4
5
3
+
3
+
1
=
__
7
6
8
3
+
1
+
1
=
__
4
6
5
4
+
2
+
2
=
__
6
8
9
1
+
1
+
1
=
__
3
2
4
3
+
2
+
3
=
__
7
8
9