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作者 kronioel 在 PTT [ Math ] 看板的留言(推文), 共3則
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Re: [微積] 請問到底錯在哪
[ Math ]6 留言, 推噓總分: +2
作者: tavern - 發表於 2017/09/23 22:15(8年前)
1F→kronioel: x^2-x-6 可以拆成（ x-3） * （x+2） 那上下2個x-309/23 22:27
2F→kronioel: 就互消了09/23 22:27
3F→kronioel: 不能互銷的才是原本的樣子 （有錯指正09/23 22:29
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