20 + 20 =
40
five + six =
11
89 + 10 =
99
4 + 12 =
16
twelve + six =
18
12 + 7 =
19
six + thirteen =
19
10 + 10 =
20
seven + eight =
15
3 + 3 =
6
fifteen + one =
16
fifteen + five =
20
nine + four =
12
six + three =
9
1 + 4 =
5
ten + three =
13
2 + 7 =
9
three + five =
8
two + two =
4
one + two =
3
1 + 19 =
20
5 + 8 =
13
3 + 16 =
19
5 + 5 + 5 =
15
four + one =
5
two + four =
6
2 + 2 =
4
100 + 1 =
101
eight + two =
10
6 + 3 =
9