17-6=
eleven
4+9=
thirteen
19-5=
fourteen
20-5=
fiteen
11+9=
twenty
8+9=
seventeen
5+6=
eleven
12-9=
three
12+4=
sixteen
8+11=
nineteen
10+5=
fifteen
11+7=
eighteen
10+7=
seventeen
9+9=
eighteen
10+2=
twelve
18-4=
fourteen
7+7=
fourteen
5+5=
ten
17-5=
twelve
15+2=
seventeen
15+4=
nineteen
7+4=
eleven
8+5=
thirteen
17-2=
fifteen