方程x2-2xy-3y2=0可以分解为两个二元一次方程,它们是(x-3y=0)和 发布时间:2017-05-18 09:38 │ 来源:www.tikuol.com 题型:填空题 问题: 方程x2-2xy-3y2=0可以分解为两个二元一次方程,它们是(x-3y=0)和______.
题型:填空题 More and more people have a low-C life and the air is getting much than a few years ago.A.cleanB.cleanestC.cleanerD.the cleanest 查看答案