题目内容
已知等差数列{an}满足a1+a2+a3+…+a101=0,则有( )A.a1+a101>0 B.a2+a100<0 C.a3+a99=0 D.a51=51
解析:a1+a2+a3+…+a101=
(a1+a101)=
(a3+a99)=0.
答案:C
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题目内容
已知等差数列{an}满足a1+a2+a3+…+a101=0,则有( )A.a1+a101>0 B.a2+a100<0 C.a3+a99=0 D.a51=51
解析:a1+a2+a3+…+a101=
(a1+a101)=
(a3+a99)=0.
答案:C