(2011³-2×2011²+1)/(2011³-3×2011²+2011+2)的值是多少?说说分解的原理
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/24 04:24:52
![(2011³-2×2011²+1)/(2011³-3×2011²+2011+2)的值是多少?说说分解的原理](/uploads/image/z/15132658-58-8.jpg?t=%282011%26%23179%3B-2%C3%972011%26%23178%3B%2B1%29%2F%282011%26%23179%3B-3%C3%972011%26%23178%3B%2B2011%2B2%29%E7%9A%84%E5%80%BC%E6%98%AF%E5%A4%9A%E5%B0%91%3F%E8%AF%B4%E8%AF%B4%E5%88%86%E8%A7%A3%E7%9A%84%E5%8E%9F%E7%90%86)
(2011³-2×2011²+1)/(2011³-3×2011²+2011+2)的值是多少?说说分解的原理
(2011³-2×2011²+1)/(2011³-3×2011²+2011+2)的值是多少?说说分解的原理
(2011³-2×2011²+1)/(2011³-3×2011²+2011+2)的值是多少?说说分解的原理
分子(2011³-2011²)-(2011²-1)=2011²x(2011-1)-(2011+1)x(2011-1)=(2011-1)x(2011²-2011-1)分母(2011³-2x2011²)-(2011²-2x2011)-(2011-2)=2011²X(2011-2)-2011x(2011-2)-(2011-2)=(2011-2)x(2011²-2011-1) 约分后:分子为2011-1=2010,分母为2011-2=2009