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题型：填空题 题类：常考题 难易度：容易
万以内笔算加法(不含连加) 2507 10
34+29{#blank#}1{#/blank#}34+29 55-36{#blank#}2{#/blank#}54-36
49-26{#blank#}3{#/blank#}49-27 67+34{#blank#}4{#/blank#}64+38
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}＝{#blank#}4{#/blank#}
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