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题型:填空题 题类:常考题 难易度:困难
找规律(图形、数字简单的排列规律) 2712 10
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4997,4998,4999,{#blank#}1{#/blank#},{#blank#}2{#/blank#},{#blank#}3{#/blank#}.
(1)
20
18
16
10
8
(2)
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