试题 试卷
题型:填空题 题类: 难易度:困难
浙江省宁波市效实中学2024年强基招生(竞赛)数学试卷
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2,-4,8,-16,32,….①
-1,2,-4,8,-16,….②
3,-3,9,-15,33,….③
(1){#blank#}1{#/blank#};
(2)若前个台阶上所标有理数之和是 , 则的值为{#blank#}2{#/blank#}.
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