年级 | 科目 | 问题描述 | 提问时间 |
初一 | 数学 | 数学求解 | 2013-05-28 13:03:47 |
已知关于X的一元二次方程x²+mx+2=0与x²+2x+m=0有一个公共根,则m= ,该公共根是
| |||
褚昊喆 2017-05-06 21:07:48 | |||
JDJDJFJJVJCJDKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK | |||
许镇杰 2017-05-07 09:12:04 | |||
我喜欢夏菲雨 | |||
王毅涵 2017-05-10 19:38:04 | |||
呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵呵 | |||
吴新杰 2017-05-14 19:59:56 | |||
666 | |||
沈建超 2017-05-24 19:36:34 | |||
呵呵
| |||
彭哲未 2017-06-14 20:06:34 | |||
.......................................................................................................................................... ............................................................................................................................................. ...............................................................................................................................................
| |||
沈锦东 2017-06-15 19:32:04 | |||
彭哲未 2017-06-20 21:18:55 | |||
许镇杰 2017-06-21 19:08:14 | |||
真特么没教养 | |||
许镇杰 2017-06-21 19:08:52 | |||
说的好像你们不恋爱一样 | |||
陈自强 2017-06-26 19:07:10 | |||
.。。。。。。给力 | |||
许镇杰 2017-06-26 20:05:11 | |||
大哥,你有没有喜欢的女孩子呀 | |||
姚佳怡 2017-07-06 21:48:27 | |||
历史悠远了 | |||
姚佳怡 2017-07-06 21:49:10 | |||
喜欢的女孩倒是有,可惜那个女孩好像不怎么喜欢我 | |||
吴豪泽 2017-07-12 15:14:20 | |||
考古考古 |