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题型:填空题 题类:常考题 难易度:普通
两位数减两位数(退位)1171(10题)
54+38{#blank#}1{#/blank#}38+54 43-26{#blank#}2{#/blank#}42-26
69-47{#blank#}3{#/blank#}69-46 24+47{#blank#}4{#/blank#}34+47
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