试题 试卷
题型:填空题 题类:常考题 难易度:普通
1,4,7,7 =24 1,2,7,7 =24.
0.2□0.2□0.2□0.2□0.2=0.2
0.2□0.2□0.2□0.2□0.2=0
5{#blank#}1{#/blank#}-{#blank#}2{#/blank#}5=27
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