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题型:填空题 题类:常考题 难易度:困难
整十数加、减整十数1049(11题)
82-50=32
{#blank#}1{#/blank#}-5=60
{#blank#}1{#/blank#} + {#blank#}2{#/blank#} + {#blank#}3{#/blank#} = {#blank#}4{#/blank#}
{#blank#}1{#/blank#} - {#blank#}2{#/blank#} = {#blank#}3{#/blank#}(个)
380比610少{#blank#}3{#/blank#},{#blank#}4{#/blank#}比520多170.
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