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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553(10题)
+=
-=
{#blank#}1{#/blank#}+7=14
{#blank#}2{#/blank#}+7=12
{#blank#}3{#/blank#}+7=16
14-5{#blank#}1{#/blank#}8 13-6{#blank#}2{#/blank#}6 17-6{#blank#}3{#/blank#}9
12-7{#blank#}4{#/blank#}6 15-8{#blank#}5{#/blank#}7 12-8{#blank#}6{#/blank#}6
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