500
+
____________________
=
506
900
+
____________________
=
901
300
+
____________________
=
305
800
-
____________________
=
793
400
-
____________________
=
391
500
-
____________________
=
497
200
+
____________________
=
240
800
+
____________________
=
870
300
+
____________________
=
360
400
-
____________________
=
380
800
-
____________________
=
720
500
-
____________________
=
450
600
+
____________________
=
691
800
+
____________________
=
883
900
+
____________________
=
952
800
-
____________________
=
763
400
-
____________________
=
332
200
-
____________________
=
105
600
+
____________________
=
624
800
-
____________________
=
764
600
-
____________________
=
574
500
+
____________________
=
57
4
