设[imgsrc="http://img2.ph.126.net/h4EVrU9...14652097160.gif"]().
举一反三
- 设[imgsrc="http://img2.ph.126.net/rlO4XV0...07364106305.gif"]().
- 设[imgsrc="http://img2.ph.126.net/dJejcF5...116117214362.gif"]，则
- 设连续，则().[imgsrc="http://img2.ph.126.net/...32414652097160.gif"]
- [imgsrc="http://img2.ph.126.net/jBMZDn82...18942722862306.gif"]
- 若[imgsrc="http://img2.ph.126.net/h4EVrU9...87705988360.gif"]().