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题型:填空题 题类:常考题 难易度:困难
小学奥数系列1-3-4比较与估算
90,85,80,75,70,{#blank#}1{#/blank#},{#blank#}2{#/blank#},{#blank#}3{#/blank#},{#blank#}4{#/blank#}.
600,700,800,{#blank#}1{#/blank#}、{#blank#}2{#/blank#}、{#blank#}3{#/blank#}、{#blank#}4{#/blank#}.
{#blank#}1{#/blank#}
{#blank#}2{#/blank#} {#blank#}3{#/blank#}
{#blank#}4{#/blank#} {#blank#}5{#/blank#}
(10﹣1)÷9=1
(40000﹣4)÷9={#blank#}1{#/blank#}
(200﹣2)÷9=22
(6000000﹣6)÷9={#blank#}2{#/blank#}
(3000﹣3)÷9=333
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