△ABC与△DEF的相似比为3:4,则△ABC与△DEF的周长比为_______ 发布时间:2017-05-03 13:58 │ 来源:www.tikuol.com 题型:填空题 问题: △ABC与△DEF的相似比为3:4,则△ABC与△DEF的周长比为_________.
题型:填空题 With the word “ PM2.5” _________ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days.A.constantlyB.consequentlyC.permanentlyD.immediately 查看答案