0 = 0000 | 4 = 0100 | 8 = 1000 | 12 = 1100 |
1 = 0001 | 5 = 0101 | 9 = 1001 | 13 = 1101 |
2 = 0010 | 6 = 0110 | 10 = 1010 | 14 = 1110 |
3 = 0011 | 7 = 0111 | 11 = 1011 | 15 = 1111 |
(1+y1x)(1+y2x)(1+y3x)(1+y4x)= | |||
= | y1y2y3y4x4 + (((y1 + y2)y3 + y1y2)y4 + y1y2y3)x3 + | ||
+ | ((y1 + y2 + y3)y4 + (y1 + y2)y3 + y1y2)x2 + (y1 + y2 + y3 + y4)x + 1 |
34 | 24 | 14 | 23 | 13 | 12 |