设*A={(x1,x2,x3,x4,x5)|xi∈{-1,0,1},i=1,2,3,4,5},那么*A中满...

问题详情:

设*A={(x1,x2,x3,x4,x5)|xi∈{-1,0,1},i=1,2,3,4,5},那么*A中满...

设*A={(x1,x2,x3,x4,x5)|xi∈{-1,0,1},i=1,2,3,4,5},那么*A中满足条件“1≤|x1|+|x2|+|x3|+|x4|+|x5|≤3”的元素的个数为                                   (  )

A.60              B.100              C.120             D.130

【回答】

D

知识点:常用逻辑用语

题型:选择题