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题型:填空题 题类:常考题 难易度:困难
两位数加、减两位数(竖式:含不进、进、不退、退)(复习) 2012 10
48-=15
55=+30
25=-40
98-63=26
( )
59-4{#blank#}1{#/blank#}54 68-60{#blank#}2{#/blank#}8 78-50{#blank#}3{#/blank#}30
27-7{#blank#}4{#/blank#}7 25-3{#blank#}5{#/blank#}20 46-5{#blank#}6{#/blank#}40
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