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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558(18题)
6+9=
11-2=
3+8=
13-7=
7+9=
14-5=
9+8=
13-9=
9+5=
11-4=
14-8={#blank#}1{#/blank#} 13-8={#blank#}2{#/blank#} 12-8={#blank#}3{#/blank#}
8+{#blank#}4{#/blank#}=14 8+{#blank#}5{#/blank#}=13 8+{#blank#}6{#/blank#}=12
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} ={#blank#}4{#/blank#}
14-8= 9-4= 14-7=
11-10= 9+8= 13-3=
7-3-4= 6+7-8=
16-10-3= 6+6+5=
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