Six plus six equals
Twelve
Seven minus four equals
Three
Ten minus seven equals
Three
Three plus three equals
Six
Eight minus four equals
Four
Ten plus seven equals
Seventeen
Nine plus four equals
Thirteen
Five plus five equals
Ten
Nine plus nine equals
Eighteen
Five minus three equals
Two
Nine minus three equals
Six
Eight minus five equals
Three
Five minus three equals
Two
Six minus two equals
Four
Nine plus two equals
Eleven
One plus eight equals
Nine
Two plus two equals
Four
Fifteen minus three equals
Twelve
Five plus three equals
Eight
Seven plus seven equals
Fourteen
Seven minus three equals
Four
Eight plus seven equals
Fifteen
One plus three equals
Four