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