很简单,立方的键慎唯算法为:长稿培*宽*高,你把厘米换算成孝嫌米0.3*0.3*05*1.50.3*0.3*0.5*1.5*500.3*0.3*0.5*1.5*50*365
第一题。30×50×30×1.5
稍后写答案给你,望采纳!