8
+
9
=
____________________
10
+
15
=
____________________
9
+
12
=
____________________
3
+
4
=
____________________
4
+
8
=
____________________
7
+
10
=
____________________
15
+
9
=
____________________
5
+
5
=
____________________
3
+
4
=
____________________
6
+
3
=
____________________
20
+
20
=
____________________
