3 |
π |
6 |
π |
3 |
AH |
AC |
AB |
BC |
AB |
AC |
AH |
AB |
BC |
AH |
AB |
a |
sinA |
b |
sinB |
3 |
π |
6 |
3 |
| ||
2 |
π |
3 |
2π |
3 |
π |
3 |
1 |
2 |
π |
6 |
π |
6 |
π |
3 |
AH |
AB |
AC |
AH |
CB |
BC |
AB |
AC |
BC |
CB |
BC |
AH |
AB |
AC |
AH |
AB |
AH |
BC |
AH |
AB |
A.0个 | B.1个 | C.2个 | D.3个 |
|
AB |
BC |
AB |
BC |
AB |
CD |
AD |
BC |
AC |
BD |
AB |
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