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题型:填空题 题类:常考题 难易度:困难
两位数减两位数(退位)1182(11题)
55-38{#blank#}1{#/blank#}65-48 45-24{#blank#}2{#/blank#}45-20 92-3{#blank#}3{#/blank#}83-4
54-8{#blank#}4{#/blank#}54+6 62-49{#blank#}5{#/blank#}20+26 81-8{#blank#}6{#/blank#}72-31
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