设<img src=https://huaweicloudobs.ahjxjy.cn/FAB9F3D6009041EBF2BE4E993BD76874.png title=PLNOODIH}S[)_AA_IQ4DZSC.png alt=PLNOODIH}S[)_AA_IQ4DZSC.png/>,则( )
①
极限<img src=https://huaweicloudobs.ahjxjy.cn/04AF0E066B591CABCB335C8E59320903.png title=YRG}S@6LLR4Z3`TG]}[EF~4.png alt=YRG}S@6LLR4Z3`TG]}[EF~4.png/>存在,但<img src=https://huaweicloudobs.ahjxjy.cn/9007335C5254C4CCDA91C4AB67763D4E.png title=}I]2MM~D7U7)6P]_13(XI`4.png alt=}I]2MM~D7U7)6P]_13(XI`4.png/>在点<img src=https://huaweicloudobs.ahjxjy.cn/EF89E2B8AEB141D513A62FDD7D532AF7.png title=`PFC92T0)C1A[@0Z@0TG@MN.png alt=`PFC92T0)C1A[@0Z@0TG@MN.png/>处不连续
②
极限<img src=https://huaweicloudobs.ahjxjy.cn/04AF0E066B591CABCB335C8E59320903.png title=YRG}S@6LLR4Z3`TG]}[EF~4.png alt=YRG}S@6LLR4Z3`TG]}[EF~4.png/>存在,且<img src=https://huaweicloudobs.ahjxjy.cn/9007335C5254C4CCDA91C4AB67763D4E.png title=}I]2MM~D7U7)6P]_13(XI`4.png alt=}I]2MM~D7U7)6P]_13(XI`4.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/EF89E2B8AEB141D513A62FDD7D532AF7.png title=`PFC92T0)C1A[@0Z@0TG@MN.png alt=`PFC92T0)C1A[@0Z@0TG@MN.png/>处连续
③
极限<img src=https://huaweicloudobs.ahjxjy.cn/04AF0E066B591CABCB335C8E59320903.png title=YRG}S@6LLR4Z3`TG]}[EF~4.png alt=YRG}S@6LLR4Z3`TG]}[EF~4.png/>不存在,但<img src=https://huaweicloudobs.ahjxjy.cn/9007335C5254C4CCDA91C4AB67763D4E.png title=}I]2MM~D7U7)6P]_13(XI`4.png alt=}I]2MM~D7U7)6P]_13(XI`4.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/EF89E2B8AEB141D513A62FDD7D532AF7.png title=`PFC92T0)C1A[@0Z@0TG@MN.png alt=`PFC92T0)C1A[@0Z@0TG@MN.png/>不连续
④
极限<img src=https://huaweicloudobs.ahjxjy.cn/04AF0E066B591CABCB335C8E59320903.png title=YRG}S@6LLR4Z3`TG]}[EF~4.png alt=YRG}S@6LLR4Z3`TG]}[EF~4.png/>不存在,但<img src=https://huaweicloudobs.ahjxjy.cn/9007335C5254C4CCDA91C4AB67763D4E.png title=}I]2MM~D7U7)6P]_13(XI`4.png alt=}I]2MM~D7U7)6P]_13(XI`4.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/EF89E2B8AEB141D513A62FDD7D532AF7.png title=`PFC92T0)C1A[@0Z@0TG@MN.png alt=`PFC92T0)C1A[@0Z@0TG@MN.png/>处连续