8+9=1716+18=3425+22=4750-19=3175-33=42还有1-12的序数词也写出来我要的是序数词，one,two我也会

Question

8+9=17
16+18=34
25+22=47
50-19=31
75-33=42
还有1-12的序数词也写出来
我要的是序数词，
one,two 我也会

Answer 1

eight plus/and nine equals/is seventeen
sixteen plus/and eighteen equalsis thirty-four
twenty-five plus/and twenty-two equals/is fourty-seven
fifty minus ninteen equals/is thirty-one
seventy-five minus thirty-three equals/is fourty-two
one,two是基数,从3开始,
third/3rd; forth/4th; fifth/5th; sixth/6th; seventh/7th; eighth/8th; ninth/9th; tenth/10th;
eleventh/11th; twelfth/12th