2. 
http://www.23.229.103.137 |

http://m.23.229.103.137 |

http://wap.23.229.103.137 |

http://3g.23.229.103.137 |

http://4g.23.229.103.137 |

http://5g.23.229.103.137 |

http://mobile.23.229.103.137 |

http://vip.23.229.103.137 |

http://ios.23.229.103.137 |

http://anzhuo.23.229.103.137 |

http://13.23.229.103.137 |

http://7.23.229.103.137 |

http://5321.23.229.103.137 |

http://1e2e.23.229.103.137 |

http://a3142.23.229.103.137 |

http://2a1.23.229.103.137 |

解方程5 34 3 54