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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)2001 12
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#}
76-53={#blank#}1{#/blank#}
①86-59=
②17+28=
③6+57=
④53+28-35=
⑤76-8+19=
⑥50+27-9=
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