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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510(10题)
10+5=
3 +{#blank#}4{#/blank#}=15 {#blank#}5{#/blank#}– 3=13 18 –{#blank#}6{#/blank#}=15
{#blank#}7{#/blank#}+4=16 16 –{#blank#}8{#/blank#}=14 6 +{#blank#}9{#/blank#}=17
11-10= 2+10= 18-8=
10+3= 16-6= 14-10=
13-3+4= 17-2-10= 15-2+4=
5-{#blank#}1{#/blank#}=2 6+{#blank#}2{#/blank#}=10 8-{#blank#}3{#/blank#}=4 7+{#blank#}4{#/blank#}=15
{#blank#}5{#/blank#}-2=14 {#blank#}6{#/blank#}+5=18 2+{#blank#}7{#/blank#}=10 6-{#blank#}8{#/blank#}=0
15+2=
4+13=
5+12=
10+8=
19-9=
16-4=
10+6=
17-7=
12+5=
16+3=
19-5=
6+12=
17-6=
15-3=
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