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