What word have thousands of letters in it?What number gets bigger when you turn it upside down?
题目
What word have thousands of letters in it?What number gets bigger when you turn it upside down?
英语智力题
What word have thousands of letters in it?
What number gets bigger when you turn it upside down?
注：英文回答
答案
the answer of second question is 6.
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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