4
+
3
=
____________________
5
+
4
=
____________________
9
+
8
=
____________________
15
+
6
=
____________________
7
+
8
=
____________________
17
+
21
=
____________________
____________________
____________________
15
+
15
=
____________________
30
+
12
=
____________________
____________________
____________________
30
+
30
=
____________________
30
+
47
=
____________________
____________________
____________________
50
+
50
=
____________________
