AD |
AB |
BE |
BC |
CF |
CA |
1 |
2 |
AD |
AB |
BE |
BC |
CF |
CA |
1 |
3 |
AD |
AB |
BE |
BC |
CF |
CA |
1 |
4 |
AD |
AB |
BE |
BC |
CF |
CA |
1 |
n |
3 |
5 |
1 |
2 |
1 |
2 |
1 |
2 |
2 |
bc |
2 |
ac |
2 |
ab |
AD |
AB |
BE |
BC |
CF |
CA |
1 |
n |
c |
n |
a |
n |
b |
n |
1 |
n |
1 |
n |
1 |
n |
n-1 |
n2 |
n-1 |
n2 |
3 |
5 |
n-1 |
n2 |
3 |
5 |
3 |
5 |
A.2cm2 | B.1cm2 | C.
| D.
|
A.15 | B.16 | C.17 | D.18 |
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