查人人中国名人网汽车模型制造公司招聘:中预数学问题(英语)
来源：百度文库 编辑：查人人中国名人网 时间：2024/05/04 17:54:07
1a boy has finished reading 160 pages of a story book and he finds that there is 20% of the book left . how many pages are there in the book?
2.among the 800 people ,70% like swimming .
how many people like swimming?
2.among the 800 people ,70% like swimming .
how many people like swimming?
1。一个男孩读完了160业的故事书，但他发现有20%没有读，问此书有几页？
160/80%=200
2。在800人中，70%喜欢游泳，有多少人喜欢游泳？
800*70%=560