发布网友 发布时间:2024-10-20 02:11
共1个回答
热心网友 时间:2024-10-21 19:39
设边BC上的中线为AD,因为O为△ABC的重心,AO |
2 |
3 |
AD |
2 |
3 |
1 |
2 |
AB |
AC |
1 |
3 |
AB |
AC |
. |
AO |
. |
BC |
1 |
3 |
AB |
AC |
AC |
AB |
1 |
3 |
AC| |
AB| |
1 |
3 |
28 |
3 |
. |
AO |
. |
BC |
28 |
3 |
热心网友 时间:2024-10-21 19:39
设边BC上的中线为AD,因为O为△ABC的重心,AO |
2 |
3 |
AD |
2 |
3 |
1 |
2 |
AB |
AC |
1 |
3 |
AB |
AC |
. |
AO |
. |
BC |
1 |
3 |
AB |
AC |
AC |
AB |
1 |
3 |
AC| |
AB| |
1 |
3 |
28 |
3 |
. |
AO |
. |
BC |
28 |
3 |