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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(不退位)1226(10题)
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#} ({#blank#}5{#/blank#})
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