设 https://assets.asklib.com/images/image2/2017051116042762973.jpg ,则A n =()。

A .https://assets.asklib.com/images/image2/2017051116025372785.png B .https://assets.asklib.com/images/image2/2017051116031759059.png C .https://assets.asklib.com/images/image2/2017051116033545175.png D .https://assets.asklib.com/images/image2/2017051116034839804.png

时间:2022-10-12 11:12:04 所属题库:环保工程(高等数学)题库

相似题目