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题型:单选题 题类:常考题 难易度:普通
20以内的进位加法和退位减法533(10题)
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}
8+5 11-3 13-6 14-5 12-6
{#blank#}1{#/blank#}<{#blank#}2{#/blank#}<{#blank#}3{#/blank#}<{#blank#}4{#/blank#}<{#blank#}5{#/blank#}
16-7=
18-9=
15-8=
16-6=
10-3=
11-2=
9+6=
6+8=
5+8=
7+9=
8+8=
7+6=
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