封闭图形一周的长度,是它的______;三角形的周长是______的和. 发布时间:2017-04-26 23:27 │ 来源:www.tikuol.com 题型:填空题 问题: 封闭图形一周的长度,是它的______;三角形的周长是______的和.
题型:填空题 The library she worked in lent books, magazines, audio-cassettes and maps to its customers, who could keep them for four weeks.A.borrowersB.lendersC.patronsD.clients 查看答案