问题标题:
Duringanartlesson,MsYuenaskseveryonetocoverherowntabletopwithpiecesofcolouredpaper.Eachpieceofcolouredpaperisrectangularinshapeandmeasures8cmby6cm.Thetabletopisalsorectangularinshapeandmeasures50cmby33cm.howm
问题描述:
Duringanartlesson,MsYuenaskseveryonetocoverherowntabletopwithpiecesofcolouredpaper.Eachpieceofcolouredpaperisrectangularinshapeandmeasures8cmby6cm.Thetabletopisalsorectangularinshapeandmeasures50cmby33cm.howmanypiecesofcolouredpaperwouldbeneededtocoverasmuchofthetabletopaspossiblewithwholepiecesofcolouredpaperwithoutoverlappingif...
1.allthepiecesofthecolouredpaperaretobeinthesameorientation;
2.allthepiecesofthecolouredpapercanbeinanyorientations
..明天要上台讲怎么做的一定要给我讲解一些过程哦谢啦...
华一新回答:
要你用8*6的彩色纸去覆盖50*33面积的桌面,且彩色纸不能有重叠,尽可能覆盖满
(1)彩色纸方向相同,需要一条有50/8+1=7(取整+1),有33/6+1=6条,所以要7*6=42个
或(50/6+1)*(33/8+1)=45个
(2)第2问由于彩色纸方向可以变,稍微麻烦点,楼主按第一问的试试吧~
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