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题型:填空题 题类:常考题 难易度:困难
一年级 1~~5的减法126
+ =2 + =5 + =
= = =
{#blank#}1{#/blank#}-{#blank#}2{#/blank#}={#blank#}3{#/blank#}
{#blank#}2{#/blank#}
{#blank#}3{#/blank#}
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