5
+
6
-
3
=
____________________
4
+
7
+
9
=
____________________
8
-
1
-
6
=
____________________
10
+
70
-
20
=
____________________
90
-
30
+
40
=
____________________
40
+
50
+
60
=
____________________
300
+
600
-
200
=
____________________
700
-
500
-
100
=
____________________
900
-
200
-
600
=
____________________
200
+
400
-
50
=
____________________
