Brilliant_Picture_73 | 1 points | Apr 21 2021 02:44:05
开设新节目,学习贴,一天一贴,目前已经学到十字相乘法你麻麻滴,没题可以做
[-] fkccp33 | 2 points | Apr 21 2021 04:21:26
问得不清不楚。十字相乘一般二次项系数是1比较好分解,这个一般看规律。如果不是1,把a b c d 列成一个类似矩阵形式,ac相乘得二次项系数,bd乘得常数项,-(ad+bc)就是一次项系数。把abcd一个个试,满足上面的条件的abcd,最后写成一次多项式相乘就是(ax - b)(cx - d)。反正就是看规律然后一个个试
[-] Brilliant_Picture_73 | 1 points | Apr 21 2021 04:45:02
好吧 ==
[-] Brilliant_Picture_73 | 1 points | Apr 21 2021 04:45:51
还是看不懂,我再去学学,没学完
[-] Inevitable_Bag7587 | 2 points | Apr 21 2021 05:01:06
你不会是贴吧那个成年初中生吧
[-] superboylee_0114 | 2 points | Apr 21 2021 05:44:14
多学学,学会了去给他当教师爷
[-] Brilliant_Picture_73 | 1 points | Apr 21 2021 02:51:44
诶,还要学习物理化学,得加油了
[-] ehj18661 | 1 points | Apr 21 2021 02:59:06
挺洋气,苹果哪个型号
[-] Brilliant_Picture_73 | 1 points | Apr 21 2021 03:05:24
原来有个黑苹果,太烂了就换了一个windows系统的电脑
[-] king-in-the_north | 1 points | Apr 21 2021 03:18:19
建議Linux。擺脫強制重啓
[-] Brilliant_Picture_73 | 1 points | Apr 21 2021 03:31:02
我还没学,而且我window里面的资料不舍得删,反正我用的ltsc蛮干净的
[-] 1igansss | 1 points | Apr 21 2021 03:22:27
太难了,不学了,睡大觉
[-] Brilliant_Picture_73 | 1 points | Apr 21 2021 03:59:06
要学习呀,我害怕自己愚蠢
[-] Brilliant_Picture_73 | 1 points | Apr 21 2021 03:54:23
没人看吗
[-] Brilliant_Picture_73 | 0 points | Apr 21 2021 02:52:29
是十字相乘法,打错了
[-] [deleted] | 3 points | Apr 21 2021 02:58:37
[removed]
[-] Brilliant_Picture_73 | 1 points | Apr 21 2021 03:04:54
??你怎么知道的
[-] [deleted] | 2 points | Apr 21 2021 03:06:12
[removed]
[-] Brilliant_Picture_73 | 1 points | Apr 21 2021 03:10:40
我没有13岁好吧,我都23了,谁告诉你我13,真是
[-] Brilliant_Picture_73 | 1 points | Apr 21 2021 03:11:06
少听点疯言疯语!