AB |
AC |
AB |
AC |
AB |
AC |
AB |
BC |
3 |
DB |
DM |
AB |
AC |
AB |
AC |
AB |
(
| ||||||
|
|
a2+a2 | ||
|
2
| ||
7 |
AB |
AC |
BC |
3 |
DB |
DM |
DA |
AB |
DA |
AM |
DA |
DA |
DM |
AB |
DA |
AB |
AM |
1 |
2 |
1 |
2 |
3 |
4 |
23 |
16 |
3 |
4 |
3 |
4 |
DB |
DM |
23 |
16 |
a |
b |
a |
b |
a |
b |
a |
b |
a |
2 |
b |
a |
b |
a |
b |
a |
b |
a |
b |
c |
a |
b |
c |
a |
b |
a |
3 |
b |
a |
b |
a |
b |
a |
a |
b |
a |
b |
a |
b |
a |
b |
3
| ||
2 |
a |
b |
A.30° | B.45° | C.135° | D.150° |
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