DarkDestroyer181
2021-04-23T11:23:36+00:00
一做数学就感觉自己是废物，字迹逐渐暴躁，求教老哥们空着的那题[s:ac:哭1][s:ac:哭1]
[img]https://img.nga.178.com/attachments/mon_202104/30/-7Q16w-j6ubZ26T3cSqo-zk.jpg.medium.jpg[/img]
a^2017-b^2017=(a-b)(a^2016+a^2015*b+……+b^2016) 完事
Reply to [pid=512337498,26557150,1]Reply[/pid] Post by [uid=62092385]kaefl[/uid] (2021-04-30 19:36)2016 4034？
[img]https://img.nga.178.com/attachments/mon_202104/30/-7Q16w-exayZ2mT3cSqo-zk.jpg.medium.jpg[/img]这样？不知道对不对[s:ac:哭笑]
[quote][pid=512337680,26557150,1]Reply[/pid] Post by [uid=62092385]kaefl[/uid] (2021-04-30 19:37):
2016 4034？[/quote]是的拉格朗日做出来了， 不过我突然发现两个相减消掉2017次然后求2016次也做出来了[s:ac:瞎][s:ac:瞎]
Reply to [pid=512337991,26557150,1]Reply[/pid] Post by [uid=60209371]pipixia[/uid] (2021-04-30 19:39)这个应该不对，X+1的2017次和X-1的2017次的差都在对数的括号里
[quote][pid=512339423,26557150,1]Reply[/pid] Post by [uid=62092385]kaefl[/uid] (2021-04-30 19:46):
这个应该不对，X+1的2017次和X-1的2017次的差都在对数的括号里[/quote]看到了[s:ac:哭笑]
Reply to [pid=512338528,26557150,1]Reply[/pid] Post by [uid=62499982]意大利担担面面[/uid] (2021-04-30 19:41)勉强一看吧[s:ac:哭笑]