if y is an integer ,then the least possible value of /23-5y/ is

问题描述:

if y is an integer ,then the least possible value of /23-5y/ is
A (1) B(2) C(3) D(4) E(5)
请说为什么?

the least possible value “最小可能值”
那么y取5,最小绝对值为2,选B