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题型:填空题 题类:常考题 难易度:容易
万以内数的认识(复习)2790 10
588,589,,,592,593.
(6,2) (7,3) (8,4) (9,5) ({#blank#}1{#/blank#},{#blank#}2{#/blank#})
{#blank#}1{#/blank#},{#blank#}2{#/blank#},12,10,{#blank#}3{#/blank#},{#blank#}4{#/blank#}
30 27 {#blank#}1{#/blank#} {#blank#}2{#/blank#} 18 15 12 9 6 3
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