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题型:解决问题 题类:常考题 难易度:困难
两位数减两位数(退位)1174(10题)
{#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#}={#blank#}5{#/blank#}({#blank#}6{#/blank#})
78-{#blank#}1{#/blank#}=8 65+{#blank#}2{#/blank#}=85 94-{#blank#}3{#/blank#}=88
{#blank#}4{#/blank#}+50=68 {#blank#}5{#/blank#}-20=40 {#blank#}6{#/blank#}+7=63
12+80= 95-60= 43+17= 64-40=
37-20= 19+80= 81-20= 13+13=
14+25= 50--1 5= 24+36-- 73-23=
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