In your school,are you allowed to choose the subjects you want to learn?Of course,the answer is “No”
题目
In your school,are you allowed to choose the subjects you want to learn?Of course,the answer is “No” here in China.（阅读题答案）
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In your school,are you allowed to choose the subjects you want to learn?Of course,the answer is “No” here in China.In America there is a school trying something new.At a high school in Florida,stude...
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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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