若∠a的补角是120°,则∠a=______度,cosa=______. 发布时间:2017-05-21 18:40 │ 来源:www.tikuol.com 题型:填空题 问题: 若∠a的补角是120°,则∠a=______度,cosa=______.
题型:填空题 The Australian lifestyle is very ______.[ ]A. similar with us B. similar to usC. similar with ours D. similar to ours 查看答案