上海交通大学出版
21435
34050
3451按第二、五行展开( 1)(2 5) (1 2)
34
435252115243
46
24346070
( 1)(2 5) (1 4)
3514524547351 ( 1)(2 5) (2 4)45
351
52367
123
2 49 1 ( 100) ( 1) ( 2) ( 1) 4
2)
11100
123001
11
01111按第一、( 1)(1 2) (1 2)1x 2) (1 3)
113
x4 ( 1)(110
x1
x2
x3
x二行展开
2x2
24x2
x23
x23
x4
x2
10x2
1x2
2
x23
x24
1(x4 x3)(x4 x2)(x3 x2) 2(x4 x3)(x4 x1)(x3 x1) (x4 x3)[(x4 x2)(x3 x2) 2(x4 x1)(x3 x1)]
3)
n0 00 0n 20n 1 00 n 10 00 13 00
00 24 00按第n,n 1行展开
0n 00 n 20n 10 00 0n 3
n0
00 0n 20n 1 00 n 10
( 1)[n (n 1)][n (n 1)]
1300 24 00
2400
35 00按第n 1,n行展开 0n 00 n 20n 10
00
0n 3
11x3
x4
x23
x24
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