题目内容
若
=
=
=
，则
=______．
| a |
| b |
| c |
| d |
| e |
| f |
| 3 |
| 4 |
| a+c+e |
| b+d+f |
∵
=
=
=
，
∴
=
．
| a |
| b |
| c |
| d |
| e |
| f |
| 3 |
| 4 |
∴
| a+c+e |
| b+d+f |
| 3 |
| 4 |
练习册系列答案
相关题目
题目内容
| a |
| b |
| c |
| d |
| e |
| f |
| 3 |
| 4 |
| a+c+e |
| b+d+f |
| a |
| b |
| c |
| d |
| e |
| f |
| 3 |
| 4 |
| a+c+e |
| b+d+f |
| 3 |
| 4 |
9、如图，若AB∥CD∥EF∥GH，∠OAB=∠AOG=108°，AO⊥OE，CO⊥OG，则∠OCD+∠OEF=