列方程或方程组解应用题: 服装厂为红五月歌咏比赛加工300套演出服.在加工60套 发布时间:2017-05-23 15:34 │ 来源:www.tikuol.com 题型:解答题 问题: 列方程或方程组解应用题:服装厂为红五月歌咏比赛加工300套演出服.在加工60套后,采用了新技术,使每天的工作效率是原来的2倍,结果共用9天完成任务,求该厂原来每天加工多少套演出服。
题型:解答题 Some students want to challenge themselves by helping those victims in Zhouqu______ the mud slidestook place. [ ]A. what B. whichC. that D. where 查看答案