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Home > Backend Development > PHP Tutorial > 求教php大神，这个应该怎么改啊，输入150号段，和140- 号段，输入会显示错误

求教php大神，这个应该怎么改啊，输入150号段，和140- 号段，输入会显示错误

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Release： 2016-06-02 11:32:56
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![![图片说明](http://img.ask.csdn.net/upload/201503/13/1426215855_816810.png)图片说明](http://img.ask.csdn.net/upload/201503/13/1426215847_852129.png)图片说明

输入150号段，和140- 号段，输入会显示图片说明

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