英语翻译37-18=19 54.20% 63÷21=3 给...命令 15*12=180 9+23=32 13.5° 不

1thirty-seven minus eighteen is nineteen
2fifty-four point two per cent
3sixty-three divided by twenty-one is three
4ask sb to do sth
5fifteen times twelve is one hungred and eighty
6.nine plus twenty-three is thirty-twp
7.thirteen point five degrees
8.Don't be afraid
9.second