http://nos.netease.com/edu-image/5052B7C4A5F1F637B1CB3CE4FDE6237A-1444459122904?imageView&thumbnail=520x520&quality=100
举一反三
- 中国大学MOOC: 假设角 http://nos.netease.com/edu-image/9454BE04B70783537F8315FB45F1D7C6-1443931645905?imageView&thumbnail=520x520&quality=100终边恰好经过点P(3，-4)，则http://nos.netease.com/edu-image/6674A8662F743146C3F820A2CF48BCE9-1443931750374?imageView&thumbnail=520x520&quality=100=
- http://nos.netease.com/edu-image/D00226428A68B461C3DBE595BE8B126C-1445045240312?imageView&thumbnail=520x520&quality=100
- http://nos.netease.com/edu-image/DCA9CF6A30595C532E3CCCDE0F107952-1442111327587?imageView&thumbnail=520x520&quality=100
- http://nos.netease.com/edu-image/F2E99546A3D229FA2E9373475BDCA804-1444458980765?imageView&thumbnail=520x520&quality=100
- http://nos.netease.com/edu-image/75AF9AB98013E91D9BB0021111E8F4FE-1443517877818?imageView&thumbnail=520x520&quality=100