分别是1st,2nd,3rd,4th,5th,6th,7th,8th,9th,10th.三楼而不对,虽然往后都是加th,但如果遇到个位是1的数,如21、31......后头就要加st,如果遇到个位是2的数,如22、32......后头就要加nd,如果遇到个位是3的数,如23、33......后头就要加rd懂了吗,希望对你有帮助,选我吧