填表:多项式-5x2+6x-1x2y2-2x3-1π-xy2325-x2y-xy 发布时间:2017-05-24 23:32 │ 来源:www.tikuol.com 题型:解答题 问题: 填表:多项式-5x2+6x-1x2y2-2x3-1π-xy2325-x2y-xy3项________________________次数________________________