|
[a] |
BA |
||||
|
00 |
01 |
11 |
10 |
||
|
DC |
00 |
1 |
0 |
1 |
1 |
|
01 |
0 |
1 |
1 |
1※ |
|
|
11 |
x |
x |
x |
x |
|
|
10 |
1 |
1 |
x |
x |
|
BA |
|||||
|
00 |
01 |
11 |
10 |
||
|
DC |
00 |
1 |
1 |
1 |
0 |
|
01 |
1 |
1 |
1 |
1 |
|
|
11 |
x |
x |
x |
x |
|
|
10 |
1 |
1 |
x |
x |
a = D + C A + C A + B
c = B + A + D C
|
[b] |
BA |
||||
|
00 |
01 |
11 |
10 |
||
|
DC |
00 |
1 |
1 |
1 |
1 |
|
01 |
1 |
0 |
1 |
0 |
|
|
11 |
x |
x |
x |
x |
|
|
10 |
1 |
1 |
x |
x |
|
BA |
|||||
|
00 |
01 |
11 |
10 |
||
|
DC |
00 |
1 |
0 |
1 |
1 |
|
01 |
0 |
1 |
0 |
1 |
|
|
11 |
x |
x |
x |
x |
|
|
10 |
1 |
1※ |
x |
x |
b = C + B A + B A
d = C A + C B A + C B + B A + D