zhen shi真是)!xia mian jf ju hua shun xu luan le qing ni du yi du bang zhu mao下面几句话顺序乱了,请你读一读,帮助毛mao pai hao xu zai he mao mao yi qf xue yi xue guan yu fu wu dian毛排好序,再和毛毛一起学一学关于服务电hua de xiao zhi shi话的小知识。mao mao wen ba ba...
(x+2) jian bangmaoziwei ganxi huhai ouchuán cangx=-b/4;b=-2.zong héngdian zimiáo zhǔnchuán shaochuang lianbao mǔdǎogaozhuang yánchenjìmǎtoushou mang jido luanhuáxiaoqiáo liángting bozun yánjun rmǎzhe yyanzǔdangfeichíliáo kuòmián yángyāohelíngdangshū I...