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题型:填空题 题类:常考题 难易度:普通
两位数加、减两位数(竖式:含不进、进、不退、退)(复习) 2036 10
76-6=36-20=57-26= 29-29=
42-2=22
{#blank#}1{#/blank#} - {#blank#}2{#/blank#} = {#blank#}3{#/blank#}
57-34={#blank#}1{#/blank#}
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