AC/ |
AC |
AC′ |
AC |
CC′ |
AB |
AD |
AA′ |
AC′ |
AB |
AD |
AA′ |
AB |
AD |
AA′ |
AB |
AD |
AB |
AA′ |
AD |
AA′ |
1 |
2 |
1 |
2 |
AC′ |
85 |
AC′ |
AB |
AD |
AA′ |
AC′ |
85 |
AC |
AC |
AB |
AD |
AA′ |
AB |
AD |
AB |
AB |
AD |
AD |
AA′ |
AB |
AA′ |
AD |
1 |
2 |
1 |
2 |
85 |
2 |
AC |
(
|
|
42+0+32 |
AC/ |
AC |
| ||||
|
|
| ||
|
| ||
10 |
a |
b |
c |
a |
b |
c |
a |
c |
b |
A.30° | B.60° | C.120° | D.150° |
a |
b |
a |
b |
a |
b |
A.30° | B.45° | C.60° | D.90° |
a |
1 |
2 |
| ||
2 |
b |
3 |
a |
b |
a |
a |
b |
A.
| B.
| C.
| D.
|
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