52
+
20
=
____________________
55
+
40
=
____________________
56
+
30
=
____________________
47
+
20
=
____________________
74
+
20
=
____________________
64
+
40
=
____________________
25
+
30
=
____________________
82
+
30
=
____________________
28
+
10
=
____________________
42
+
30
=
____________________
66
+
40
=
____________________
36
+
60
=
____________________
61
+
20
=
____________________
91
+
30
=
____________________
90
+
20
=
____________________