During an art lesson,Ms Yuen asks everyone to cover her own tabletop with pieces of coloured paper.Each piece of coloured paper is rectangular in shape and measures 8 cm by 6cm.The tabletop is also rectangular in shape and measures 50cm by 33cm.how many pieces of coloured paper would be needed to cover as much of the tabletop as possible with whole pieces of coloured paper without overlapping if...
1.all the pieces of the coloured paper are to be in the same orientation；
2.all the pieces of the coloured paper can be in any orientations
..明天要上台讲怎么做的 一定要给我讲解一些过程哦 谢啦...