因式分解2006³-2×2006-2004/2006³+2006²-2007因式分解2006³-2×2006²-2004/2006³+2006²-2007
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/05 07:49:46
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因式分解2006³-2×2006-2004/2006³+2006²-2007因式分解2006³-2×2006²-2004/2006³+2006²-2007
因式分解2006³-2×2006-2004/2006³+2006²-2007
因式分解2006³-2×2006²-2004/2006³+2006²-2007
因式分解2006³-2×2006-2004/2006³+2006²-2007因式分解2006³-2×2006²-2004/2006³+2006²-2007
原式=[a³-2a²-(a-2)]/[a³+a²-(a+1)]
=(a-2)(a²-1)/(a+1)(a²-1)
=(a-2)/(a+1)
=2004/2007
=668/669
如追加其它问题,采纳本题后点击想我求助,
你第一个式子2006³-2×2006-2004/少了平方了吧?所以你看不懂