2012年湖南省岳阳市中考数学试卷
2012年湖南省岳阳市中考数学试卷一、选择题(本大题共8小题,每题3分,共24分,在每小题给出的四个选项中,选出符合要求的一项)1.(3分)岳阳楼是江南三大名楼之一,享有“洞庭天下水,岳阳天下楼”的盛名,从图中看,你认为它是( )A.轴对称图形B.中心对称图形C.既是轴对称图形,又是中心对称图形D.既不是轴对称图形,又不是中心对称图形2.(3分)下列运算正确的是( )A.a2•a3=a6B.+=2+C.(x﹣2)(x+3)=x2﹣6D.(﹣a)2=﹣a23.(3分)下列说法正确的是( )A.随机事件发生的可能性是50%B.一组数据2,2,3,6的众数和中位数都是2C.为了了解岳阳5万名学...
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