five - three=
2
nine + four =
12
four + one=
5
six + three=
9
twenty - nineteen=
1
twelve + six=
18
ten + three=
13
fifteen + one=
16
two + four=
6
fourteen - seven =
7
fifteen+five=
20
six + thirteen =
19
five + six=
11
three+ five=
8
seven + eight =
15
one + two=
3
two+two=
4
fifteen - one =
14
twenty - three=
17
eight + two=
10