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题型:填空题 题类:常考题 难易度:困难
一年级 6~~10的加减法211
+ = - =
{#blank#}1{#/blank#}-5=2
{#blank#}2{#/blank#}-4=2
{#blank#}3{#/blank#}-7=0
{#blank#}1{#/blank#}
{#blank#}2{#/blank#}
{#blank#}3{#/blank#}
{#blank#}4{#/blank#}
{#blank#}5{#/blank#}
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