一项工程,甲乙两队合做10天后,还剩下一些.剩下的如果给甲队单独修要20天,如果 发布时间:2017-05-19 21:56 │ 来源:www.tikuol.com 题型:解答题 问题: 一项工程,甲乙两队合做10天后,还剩下一些.剩下的如果给甲队单独修要20天,如果让乙队单独修则要30天.如果这项工程让甲乙合做,一共要多少天才能完成任务?
题型:解答题 Choose the right answer. 给问题选择正确的答语。( ) 1. How are you? ( ) 2. What's her name? ( ) 3. Is it your pen? ( ) 4. How many books are there? ( ) 5. Are you ready for school? a. Yes, I am. b. Yes, it is. c. Her name is Lucy. d. I'm fine, thanks. e. Three. 查看答案