“The sum of the measures in degrees of the angles of a triangle is 180.
题目
“The sum of the measures in degrees of the angles of a triangle is 180.
The sum of the measures in degrees of the angles of a triangle is 180.
= =偶被搞晕了.
答案
三角形的内角和为180.
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.
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