My 8th grade year was probably the hardest year of school I ever went through翻译
题目
My 8th grade year was probably the hardest year of school I ever went through翻译
答案
我的八年级可能是我所经历的最艰难的一学年.
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
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