?
3
+
2
=
____________________
?
1
+
7
=
____________________
?
5
+
5
=
____________________
?
4
+
3
=
____________________
?
2
+
4
=
____________________
?
2
+
2
=
____________________
?
3
+
6
=
____________________
?
7
+
3
=
____________________
?
5
+
3
=
____________________
?
3
+
3
=
6