在等比数列{an}中,若a1=1,a2=4,则公比q=______. 发布时间:2017-04-30 20:32 │ 来源:www.tikuol.com 题型:填空题 问题: 在等比数列{an}中,若a1=1,a2=4,则公比q=______.
题型:填空题 用所给单词的适当形式填空。interest health we play minute 1. Liu Hua is a very good football _____.2. I don't think it's _____ for visitors to just do some shopping.3. It's not _____ for you to spend so much time watching TV.4. How many _____ are there in an hour?5. Miss Yang is a new teacher. She teaches _____ English. 查看答案