11
+
6
=
____________________
9
+
5
=
____________________
3
+
15
=
____________________
10
+
10
=
____________________
5
+
7
=
____________________
15
-
4
=
____________________
19
-
6
=
____________________
20
-
7
=
____________________
20
-
12
=
____________________
18
-
4
=
____________________
