2008年北京奥运会开幕式于8月8日在被喻为“鸟巢”的国家体育场举行

2008年北京奥运会开幕式于8月8日在被喻为“鸟巢”的国家体育场举行.国家体育场建筑面积为258 000,这个数用科学记数法表示为       .

 

答案

解析:略

 

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