当前位置: > Hot rolled H beam ,I beam,IPE and IPE AA steel,U channel ,Angle steel Export....
题目
Hot rolled H beam ,I beam,IPE and IPE AA steel,U channel ,Angle steel Export.
TANGSHAN YUNFENG INDUSTRIAL AND TRADING CO.,LTD is a professional steel company,and Major business H beam ,I beam,IPE and IPE AA steel,U channel ,Angle steel(Especially in SS400CR Hot rolled H beam)We have succeed exported to Korea,Vietnam,Inodoesia,Bangladesh,Kuwait,Pakistan,sri Lanka,
Peru,Iraq,Russia etc.And succeed Get SGS,BV and CCIC inspection certificate for export.
Contact:Daisy Song e-mail:daisy_yunfeng@tsyfgm.com M.P.:0086-15027696059

提问时间:2021-01-20

答案
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
版权所有 CopyRight © 2012-2019 超级试练试题库 All Rights Reserved.