等差数列{an}前n项和为Sn,且a8+a16=0,则有A.a8<a16

发布时间:2020-07-28 17:07:45

等差数列{an}前n项和为Sn,且a8+a16=0,则有A.a8<a16B.a8=a16C.a7<a16D.a7=a16

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D
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