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题型:单选题 题类:常考题 难易度:容易
苏教版数学一年级下册第一单元20以内的退位减法同步练习(1)
{#blank#}1{#/blank#}-4={#blank#}2{#/blank#} {#blank#}3{#/blank#}-4={#blank#}4{#/blank#} {#blank#}5{#/blank#}-4={#blank#}6{#/blank#}
照样子,圈一圈,算一算。
14-9={#blank#}1{#/blank#}(颗)
13-9={#blank#}2{#/blank#}(朵)
圈一圈 {#blank#}3{#/blank#}
圈一圈 {#blank#}4{#/blank#}
还需要几把椅子才能全部配成套?
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}
11-4= 12-7= 6+8= 16-8=
15-9= 14-5= 12-3= 13-6=
12-8= 9+7= 7+6= 15-8=
17-8-3= 15-9+6= 14-5+3=
7+6-9= 8+3-5= 9+4-8=
5+{#blank#}1{#/blank#}=12 7+{#blank#}2{#/blank#}=13 6+{#blank#}3{#/blank#}=6
10+{#blank#}4{#/blank#}=14 2+{#blank#}5{#/blank#}=15 12-{#blank#}6{#/blank#}=9
3+{#blank#}7{#/blank#}11 6+{#blank#}8{#/blank#}=13 11-{#blank#}9{#/blank#}= 7
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