2
+
3
=
____________________
,
1
+
1
=
____________________
,
2
+
2
=
____________________
,
2
+
1
=
____________________
,
4
+
2
=
____________________
,
5
+
2
=
____________________
,
6
+
2
=
____________________
,
5
+
4
=
____________________
,
8
+
2
=
____________________
