11,12,13,14,15,16,17,18,19,20的英文怎么写答:11,12,13,14,15,16,17,18,19,20,30,40,4,50的英文单词各怎么 eleven , eleve , thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nieen, enty, thirthy, forty, four, fifty 11+12+13+14+15+16+17+18+19+20=? 145 11+12+13+14+15+16+17+18+19+20=...