in this age of the keyboard,some people seem to think handwriting lessons are on the way out
题目
in this age of the keyboard,some people seem to think handwriting lessons are on the way out
答案
在这个键盘的年代,有些人认为手写教课即将过时.
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
最新试题
热门考点