A.-1/2 B.0 C.1/2 D.1

练习题库2022-08-02  16

问题 A.-1/2B.0C.1/2D.1

选项 A.-1/2
B.0
C.1/2
D.1

答案 B

解析
转载请注明原文地址:https://tihaiku.com/xueli/2668942.html

最新回复(0)