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题型:填空题 题类:常考题 难易度:容易
20以内的进位加法和退位减法540(10题)
(从左到右依次填写)
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}
8+{#blank#}1{#/blank#}=13 8+{#blank#}2{#/blank#}=16 8+{#blank#}3{#/blank#}=12
{#blank#}4{#/blank#}+6=14 {#blank#}5{#/blank#}+7=15 {#blank#}6{#/blank#}+8=11
16-10=
3+8=
13+4=
16-6-4=
8+9=
9-3=
5+8=
6+6+3=
10-4=
4+9=
17-6=
15-5+8=
12+5=
10-5=
15-3=
5+6-10=
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