河南成教 / 高等数学Ⅰ
正确率:100%
3[单选题]
<img border="0" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710153158459001.gif">
A.A
B.B
C.C
D.D
<img border="0" src="http://www.jxjypt.cn/Content/Scripts/ewebeditor10/uploadfile/exam/201307/20130710153158459001.gif">
参考答案: