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题型:填空题 题类:常考题 难易度:容易
(两个知识点)3229 10
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6.75+0.45{#blank#}1{#/blank#}6.75 9.34+1.06{#blank#}2{#/blank#}9.34 0.78+0.06{#blank#}3{#/blank#}78+6
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