题目
英语翻译
Michael travelled 5/2(五分之二)of his journey at 50km/h.The next 1/5(五分之一)of his journey he travelled at 40km/h.The remianing 40km he covered in half an hour.How much time did he take for the whole journey?
Michael travelled 5/2(五分之二)of his journey at 50km/h.The next 1/5(五分之一)of his journey he travelled at 40km/h.The remianing 40km he covered in half an hour.How much time did he take for the whole journey?
提问时间：2020-10-30
答案
100Km剩下的五分之二的路程是40km 用40除以五分无二
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点