10
+
20
=
____________________
15
+
3
=
____________________
12
+
7
=
____________________
40
+
20
=
____________________
30
+
20
=
____________________
7
+
5
=
____________________
20
+
20
=
____________________
12
+
6
=
____________________
15
+
4
=
____________________
50
+
20
=
____________________
10
+
10
=
____________________
4
+
5
=
____________________
8
+
4
=
____________________
11
+
3
=
____________________
24
+
3
=
____________________
20
+
5
=
____________________
16
+
20
=
____________________
6
+
4
=
____________________
