中科新闻网黑夜传说2在线:数学题（急的N次方）
来源：百度文库 编辑：中科新闻网 时间：2024/04/28 12:56:05
一个正整数，除以5余1，除以7余2，除以9余3，除以11余4，求此数最小值。请求大侠们赐予我一套简便算法。
多项式f(x)除以x－b所得的余数等于f(b)．
例 f(x)=3x3－2x2－4x－3除以x+1所得的余数就是f(－1)=－4．
f(x)=ax4+bx3－dx+e除以(x+m)的余数是f(－m)=am4－bm3+dm+e．
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设这个正整数为X,可得5X+1＝7X+2＝9X+3＝11X+4去解吧～！！