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题型:填空题 题类:常考题 难易度:普通
一年级 20以内的退位减法759
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} ={#blank#}4{#/blank#}
7+9={#blank#}1{#/blank#}
15-6={#blank#}2{#/blank#}
16-9={#blank#}3{#/blank#}
12-6 18-9 13-5 16-7 16-8 5+6
6 9 11 8
14-5 12-4 4+7 10-1 12-6 15-7
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