How mang subjects did you have in your primary school?What were they?该怎么回答
题目
How mang subjects did you have in your primary school?What were they?该怎么回答
答案
是how many吧
你在初中有几个学科 它们是什么
前面答数字
后面就讲学科就行啦
自己看着办吧
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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