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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) 2015 10
＋6＞20
24＞＋0
18－＞9
{#blank#}1{#/blank#} +5=12 6+{#blank#}2{#/blank#} =15 {#blank#}3{#/blank#} +8=17
{#blank#}4{#/blank#} +6=12 7+{#blank#}5{#/blank#} =17 {#blank#}6{#/blank#} +4=12
○ = ○ = ○ = ○ =
38-20+{#blank#}1{#/blank#}=28 {#blank#}2{#/blank#}+(5-2)=38
67-(20+{#blank#}3{#/blank#})=7 {#blank#}4{#/blank#}-(49-9)=19
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