0,-1,2,0,-3,4,0,-5,6······则第50个数字是什么

8 0 0 0 3 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 0 5 0 0 6 0 0 1 0 0 0 4 9 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 7 0 9 0 0 5 0 0 2 4 0 8 0 0 0 0 0 计算行列式|5 -2 0 0 0| 4 -1 0 0 0| 0 0 2 6 5| 0 0 1 3 5| 0 0 -2 7 9| 2道数独题目,在线等,急7 4 0 0 6 5 0 1 09 0 0 0 0 0 0 6 00 0 3 9 0 4 0 0 02 0 0 0 0 0 0 4 06 0 4 0 0 0 1 0 70 9 0 0 0 0 0 0 30 0 0 3 0 5 6 0 00 1 0 0 0 0 0 0 80 7 0 0 2 8 0 5 10 0 0 0 3 0 0 7 43 0 0 0 0 0 5 9 00 0 0 8 0 9 0 0 20 7 0 5 0 0 9 81方格如何填写0 0 4 0 9 0 8 0 0 0 3 0 5 0 0 0 0 4 0 9 5 4 0 0 3 0 0 7 0 0 2 0 0 0 8 1 4 8 0 0 5 0 0 0 0 0 0 6 1 0 0 0 0 0 5 0 0 0 2 7 1 0 0 1 0 8 0 0 0 0 0 6 0 6 0 0 0 0 9 0 0 请在“0”处填写1-9数字让小的九方格和大的九方格 英语翻译#include int map[9][9]={0,0,3,8,1,0,0,0,9,5,0,0,4,0,0,0,8,0,0,6,0,9,0,0,1,0,0,0,0,8,0,3,0,0,0,6,0,0,0,0,0,0,0,0,0,9,0,0,6,0,0,5,0,0,0,0,6,0,0,9,0,1,0,0,1,0,0,0,5,0,0,4,2,0,0,0,4,8,7,0,0}; void display() { int i; int j; for(i=0;i 请帮我算下这个数独的答案,{4,2,0,0,9,0,0,0,0}{5,0,7,3,0,0,0,0,0}{0,8,0,0,7,0,0,5,4}{6,7,0,5,0,0,0,0,1}{0,0,0,0,0,0,0,0,0}{2,0,0,0,0,6,0,9,3}{7,6,0,0,2,0,0,3,0}{0,0,0,0,0,7,8,0,2}{0,0,0,0,4,0,0,1,6} 一道线性代数的初级问题!第一题|0 0 0 0 1||0 0 0 2 *||0 0 3 * *||0 4 * * *||5 * * * *|第二题|* * * * * 1||* * * * 2 0||* * * 3 0 0||* * 4 0 0 0||* 5 0 0 0 0||6 0 0 0 0 0|第一题的答案是 5的阶乘 也就是1*2*3*4*5 第二题是- 计算五阶行列式|4 8 6 0 9| |1 -1 3 0 2| |0 4 1 -2 3| |5 -3 0 0 0| |2 0 0 0 0|.|4 8 6 0 9| |1 -1 3 0 2| |0 4 1 -2 3| |5 -3 0 0 0| |2 0 0 0 0| * * * * * 1 * * * * 2 0 * * * 3 0 0 * * 4 0 0 0 * 5 0 0 0 0 6 0 0 0 0 0 求6阶行列式,等于-6!怎么解刚入门不懂 数独九宫格题目题库0 0 8 0 1 3 6 0 99 0 0 0 0 7 3 0 00 0 0 0 0 0 0 0 0 0 0 9 0 6 0 0 4 33 0 0 0 0 0 0 0 68 6 0 0 2 0 5 0 00 2 0 0 0 0 0 0 00 0 6 2 0 0 0 0 77 0 4 9 3 0 1 0 0零代表空格!就是让我们填数字1-9在空格里!每个横竖 下面这个矩阵变换如何计算a=[0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,0];变换为：b=[0,0,0,0,0,1,2,3,4,5,6,0,1,2,3,0,1,2,3,0,1,2,3,4];开始出4个0不变,之后遇到1变为0,两个1之间的数依次加1,请问matlab如何实现. 数独九宫格计算,一下0代表是要填入的数字0 0 0 0 0 9 5 4 00 0 2 0 0 0 9 7 69 0 0 7 0 5 0 0 0 0 0 0 0 0 7 0 2 03 0 0 0 0 0 0 0 82 4 0 1 0 0 0 0 00 0 0 3 0 6 0 0 51 2 0 0 0 0 3 0 0 0 9 3 8 0 0 0 0 0 每行每列都是1-9数字不能重 81格从1到9,横竖不重复0代表未知8 0 0 0 0 0 0 0 0 0 0 3 6 0 0 0 0 00 7 0 0 9 0 2 0 00 5 0 0 0 7 0 0 00 0 0 0 4 5 7 0 00 0 0 1 0 0 0 3 00 0 1 0 0 0 0 6 80 0 8 5 0 0 0 1 00 9 0 0 0 0 4 0 0 求一个九宫格计算这个九宫格就是要求每行、每列都填1-9,不能重复0 0 0 9 0 0 8 0 04 9 0 0 0 0 0 0 05 0 0 0 3 0 0 7 00 0 0 2 0 0 1 0 00 0 8 4 0 1 2 0 00 0 6 0 0 7 0 0 0 0 6 0 0 5 0 0 0 30 0 0 0 0 0 0 4 20 0 4 0 0 8 0 0 0上面 线性代数余子式求和a=1 2 0 0 '3 5 0 0 '0 0 4 -6 '0 0 0 1 则A11+A22+A33+A44= 四阶行列式计算 1 0 2 0 -1 4 3 6 0 2 -5 3 3 1 1 0 15 15 0 20 20 0 0 0 15 0 20 0 15 0 20 0 把 8 4 6 4 5 2 3 9 1 2 快点! 计算下面的矩阵[0 1 0] [1 2 3] [1 0 2] [1 0 0] ^2012 * [0 4 5] * [0 1 0] ^2012[0 0 1] [-1 6 7] [0 0 1]