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题型:填空题 题类:常考题 难易度:普通
20以内的进位加法和退位减法555(10题)
2+1= 5+2= 8-4= 10-3=
3+10= 12+6= 15+4= 10+0=
16-4= 12-10= 17-4= 10-5=
7+7= 8+4= 5+7= 7+9=
3+9= 5+6= 7+8= 9+8=
10-6= 7+7= 13-3+4=
8+5= 9+9= 9+8-7=
7+4= 5+9= 15+3-6=
19-7= 12+7= 8+6-10=
6+{#blank#}1{#/blank#}=10 {#blank#}2{#/blank#}-8=10 {#blank#}3{#/blank#}-2=12
10-{#blank#}4{#/blank#}=8 10+{#blank#}5{#/blank#}=20 {#blank#}6{#/blank#}+10=11
15{#blank#}1{#/blank#}11 3+3{#blank#}2{#/blank#}7 5+2{#blank#}3{#/blank#}9
19{#blank#}4{#/blank#}17 16-6{#blank#}5{#/blank#}16 11+5{#blank#}6{#/blank#}16
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