a |
b |
c |
a |
b |
a |
b |
1 |
2 |
a |
c |
b |
c |
c |
A.
| B.
| C.
| D.1 |
a |
b |
a |
| ||
2 |
1 |
2 |
b |
| ||
2 |
1 |
2 |
c |
a |
c |
b |
c |
| ||
2 |
1 |
2 |
| ||
2 |
1 |
2 |
| ||
2 |
1 |
4 |
| ||
2 |
1 |
2 |
| ||
2 |
| ||
2 |
1 |
2 |
AB |
a |
AC |
b |
a |
b |
A.直角三角形 | B.锐角三角形 | C.钝角三角形 | D.等腰三角形 |
a |
b |
a |
b |
a |
b |
c |
a |
c |
b |
c |
c |
A.1 | B.2 | C.
| D.
|
a |
b |
a |
a |
b |
3 |
a |
b |
b |
a |
b |
b |
2 |
b |
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