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题型:单选题 题类:常考题 难易度:容易
﹣3.2{#blank#}1{#/blank#}﹣4.3;
﹣ {#blank#}2{#/blank#}﹣ ;
﹣ {#blank#}3{#/blank#}0.
,-2,0,(-1)2 , |-3|,-3 .
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