thirteen and seventeen is t_____

thirteen and seventeen is t_____ Thirteen and six is n______. What is nine and thirteen seven and ten is seventeen 变问句 Twenty-three and seventeen is (f____) is thirteen and eight( yes it is 找规律,填数字：seventeen,fifteen,thirteen thirteen、fourteen、fifteen、sixteen、seventeen、eighteen、ninetee what is fifteen and thirteen,mike?.. Four and nine is thirteen什么意思 Our classroom is very beautiful and t_____ mary is thirteen years old,and ben is also thirteen years ol