(x+2)/x-wú Iunxiao sanhe anwu zipang bianná kaihan shulhuǒ chegong lùshang renshuigan kuaidi dimei meicunzizhang kaihuà feirán houshi wùyé yesheng huóming lingyan shenshen qi huo xianx-5/(12)=0zǐxizhi chuánnián qingzhuā zhùdan shijiangjūnjiangláiyin tia...