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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463(10题)
{#blank#}1{#/blank#}+{#blank#}2{#/blank#}={#blank#}3{#/blank#}
{#blank#}4{#/blank#}+{#blank#}5{#/blank#}={#blank#}6{#/blank#}
{#blank#}7{#/blank#}-{#blank#}8{#/blank#}={#blank#}9{#/blank#}
{#blank#}10{#/blank#}-{#blank#}11{#/blank#}={#blank#}12{#/blank#}
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}(个)
7+8= 6+6= 2+9= 12-2= 9+1=
7-4= 10+8= 15-5= 9+8= 8-2=
8+5= 3+9= 7+7= 16-6= 9+9=
9-7= 14-10= 4+4= 10-3= 17-10=
3+7+8= 7-3+8= 4+2-5= 10+ ( )=15
9+7-6= 16-10+9= 17-7-7=
9-( )=4+3 ( )-5=5 5+8=( )+( )
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