10
-
3
+
____________________
=
12
2
-
____________________
+
1
=
-
6
16
-
4
-
____________________
=
6
9
-
____________________
-
7
=
-
6
5
-
____________________
+
6
=
3
7
-
____________________
+
2
=
-
6
22
-
7
-
____________________
=
7
15
-
12
+
____________________
=
9
