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题目
四年级寒假生活P38单词接龙开头boy,teacher,photo,ink,bag,nurse,要交的.快啊😭
答案
boy-young-get-teach-hat-teacher-reallytaecher-room-may-yellow-what-train-nine-eyephoto-old-dear-ready-your-remember-rain-nightink-know-wind-dog-get-teach-head-die-eyebag-girl-leave-eye-empty-yeah-hobb...
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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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