two + two
2+2=4 (two plus two equals four)
seven + three
7+3= 10 (seven plus three equals ten)
nine + ten
9+10= 19 (nine plus ten equals nineteen)
four - two
4-2=2 (four minus two equals two)
six + eight
6+8= 14 (six plus eight equals fourteen)
sixteen - one
16- 1=15 (sixteen minus one equals fifteen)
eleven + seven
11+7= 18 ( eleven plus seven equals eighteen)
nine - three
9-3= 6 (nine minus three equals six)
thirteen - three
13-3= 10 (thirteen minus three equals ten)
five+fifteen
5+15=20 (five plus fifteen equals twenty)
