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题型:填空题 题类:常考题 难易度:普通
11~~20各数的认识438(10题)
+ =
- =
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}= {#blank#}4{#/blank#}
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#} (个)
5{#blank#}1{#/blank#}-{#blank#}2{#/blank#}5=27
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