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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567(10题)
96=15
96=3
103=13
9 + {#blank#}1{#/blank#} = 12 {#blank#}2{#/blank#} + 5=18 4+ {#blank#}3{#/blank#} =12
7+ {#blank#}4{#/blank#} =15 5+ {#blank#}5{#/blank#} =12 8+ {#blank#}6{#/blank#} =16
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}
5+9={#blank#}1{#/blank#}
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