Well it does help if they shin out in a straight line.
题目
Well it does help if they shin out in a straight line.
Well it does help if they shin out in a straight line.But they're way off alignment and we're just going to have to check them very cardfully and rest them
答案
好,如果它们在一条直线会有帮助.但是它们不在一条直线上.我们不得不认真地检查它们并使之停下来.
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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