Question

example : 30-12=18 Thirty take away twelve is eighteen. 23-13=? 28-20=? 25-11=? 29-9=? 27-13=? 24-15=? 22-12=? 21-10=? 26-23 =?

Answer 1

Twenty-eight take away twenty is eight. Twenty three take away thirteen is ten. Twenty five take away eleven is fourteen.