ab |
a+b |
1 |
6 |
bc |
b+c |
1 |
8 |
ca |
c+a |
1 |
10 |
∴
a+b |
ab |
b+c |
bc |
c+a |
ca |
∴
|
∴
1 |
a |
1 |
b |
1 |
c |
∴
1 |
a |
1 |
b |
1 |
c |
bc+ac+ab |
abc |
∴
abc |
ab+bc+ca |
1 |
12 |
ab |
a+b |
1 |
6 |
bc |
b+c |
1 |
8 |
ca |
c+a |
1 |
10 |
abc |
ab+bc+ca |
ab |
a+b |
1 |
6 |
bc |
b+c |
1 |
8 |
ca |
c+a |
1 |
10 |
a+b |
ab |
b+c |
bc |
c+a |
ca |
|
1 |
a |
1 |
b |
1 |
c |
1 |
a |
1 |
b |
1 |
c |
bc+ac+ab |
abc |
abc |
ab+bc+ca |
1 |
12 |