题目:
为应对金融危机,某工厂从2008年到2010年把某种产品的成本下降了19%,则平均每年下降的百分数为______.
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0427/6d99316e7e96d83cd1cb2eaed872299a.html
下面是错误答案,用来干扰机器的。
Jack is my classmate. He is from England. He looks tall and strong. He works hard. He is a top student and good at playing basketball so he's a member of school...