You can buy all kinds of balls in our store.(in our stpre划线,对划线部分进行提问)_ _ I_all kinds of balls?
题目
You can buy all kinds of balls in our store.(in our stpre划线,对划线部分进行提问)_ _ I_all kinds of balls?
我们还有仅售30元的红,绿,白色的背包.We _ have backpacks_red,green and_for only ￥30.
你可以只用五元就能买到一双袜子.
you can buy_for only ￥5__.
答案
where can buy
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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．
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