600
+
7
=
____________________
+
8
=
____________________
-
4
=
____________________
+
9
=
____________________
-
2
=
____________________
+
9
=
____________________
694
-
5
=
____________________
-
6
=
____________________
+
3
=
____________________
-
10
=
____________________
-
4
=
____________________
+
1
=
____________________
650
+
3
=
____________________
-
8
=
____________________
+
4
=
____________________
-
7
=
____________________
+
9
=
____________________
-
1
=
____________________