数列:[1,2]=3,[1,2,3]=0,[1,2,3,4]=4,[1,2,3,4,5]=-1,[1,2,3,4,5,6]=5,[1,2,3,4,5,6,7]=-2,[1,2,3,4,5,6,7,8]=6,···,则[1,2,3,···,100]=( )
A、52
B、50
C、-50
D、-52
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2023-02-12 17:37
数列:[1,2]=3,[1,2,3]=0,[1,2,3,4]=4,[1,2,3,4,5]=-1,[1![]() ![]() (单选试题)
数列:[1,2]=3,[1,2,3]=0,[1,2,3,4]=4,[1,2,3,4,5]=-1,[1,2,3,4,5,6]=5,[1,2,3,4,5,6,7]=-2,[1,2,3,4,5,6,7,8]=6,···,则[1,2,3,···,100]=( ) A、52 B、50 C、-50 D、-52
问题补充:
【数列:[1,2]=3,[1,2,3]=0,[1,2,3,4]=4,[1,2,3,4,5]=-1,[1 】全网正确率为:44% |