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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739
6+10={#blank#}1{#/blank#}
12-6={#blank#}2{#/blank#}
11-3={#blank#}3{#/blank#}
17-9={#blank#}4{#/blank#}
12-8={#blank#}5{#/blank#}
6+8={#blank#}1{#/blank#}
9+6={#blank#}2{#/blank#}
10-4={#blank#}3{#/blank#}
4+8={#blank#}4{#/blank#}
12 – 7 = 12 – 4 = 12 – 9 = 12 – 6 =
13 – 5 = 13 – 9 = 13 – 7 = 13 – 4 =
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