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题型:填空题 题类: 难易度:容易
人教版四年级上册数学期末练习卷
97000,98000,99000,,,。
1,4,9,16,{#blank#}1{#/blank#},{#blank#}2{#/blank#},49,{#blank#}3{#/blank#},….
A组:1,6,7,12,13,18,19,…
B组:2,5,8,11,14,17,20,…
C组:3,4,9,10,15,16,21,…
则
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