函数<img src="/lqwvjeImg/d9/d97f91dea4984b7406e04764702d389d.png" style="width:161px;height:56px;">的间断点有( )<br>· <img src="/lqwvjeImg/e7/e75dedd13918e747ca42716e3651d15d.png"style="width:68px;height:41px;">,<img src="/lqwvjeImg/14/146982c29b55b078b02822ae03e4936a.png"style="width:13px;height:19px;">为整数<br>· <img src="/lqwvjeImg/c7/c7db07815ba5b6a39fad2a6c5ea8bf24.png"style="width:69px;height:41px;">,<img src="/lqwvjeImg/14/146982c29b55b078b02822ae03e4936a.png"style="width:13px;height:19px;">为整数<br>· <img src="/lqwvjeImg/6e/6ea1cd43c7fa831e578741470c450bdd.png"style="width:37px;height:19px;">,<img src="/lqwvjeImg/14/146982c29b55b078b02822ae03e4936a.png"style="width:13px;height:19px;">为整数<br>· <img src="/lqwvjeImg/7f/7fa640a17bf9707f1c0a0b4d4406e5e2.png"style="width:39px;height:21px;">,<img src="/lqwvjeImg/14/146982c29b55b078b02822ae03e4936a.png"style="width:13px;height:19px;">为整数