当k______时,方程23x-3k=5(x-k)+1的解是正数. 发布时间:2017-06-09 01:27 │ 来源:www.tikuol.com 题型:填空题 问题: 当k______时,方程23x-3k=5(x-k)+1的解是正数.
题型:填空题 The old couple were not used to _____ in the noisy city. [ ]A. live B. be living C. lives D. living 查看答案