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        1. Уh(hun)СMͬW(xu)60/ֵٶȏČW(xu)Уl(f)еW(xu)У1000׵ĻV(chng)h(hun)֪R(sh). 5犺С110/ֵٶȏČW(xu)Уl(f)׷sh(hun)СM;׷

          1С˶Lr(sh)g׷ϡh(hun)СM

          2(dng)С׷ϡh(hun)СMr(sh)xĻV(chng)߀жh(yun)

          1O(sh)Сx׷ϡh(hun)СM.  1

          (j)}з̞飺110x=60(5+x)   2

          ֮ãx=6 1

              С6׷ϡh(hun)СM. нY(ji)Փδֲ۷֣ 1

             2(dng)x=6r(sh)Сߵ·̞飺1106=660ף

              1000-660=3402

          𣺮(dng)С׷ϡh(hun)СMr(sh)xĻV(chng)߀340. 1

          (x)(c)ϵд
          P(gun)(x)}

          ĿД(sh)W(xu) Դ

          ˽ijУ2000W(xu)ӭh(hun)֪R(sh)(jng)ِijɿ(j)гȡ˲֌W(xu)ĸ(jng)ِɿ(j)(sh)LƳµl(sh)ֱֲDDՈ(qng)Y(ji)ψDνІ}
          1ָ@(g)}еĿw
          2(jng)ِɿ(j)?c)?9.589.5@һСMl
          3(jng)ِɿ(j)?c)?0ϣ90֣ͬW(xu)ɫ@ê(jing)(l)Ո(qng)Ӌ(j)ȫУsж˫@ê(jing)(l)
          Ӣҽ̾W(wng)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          21h(hun)СMͬW(xu)60/ֵٶȏČW(xu)Уl(f)еW(xu)У1000׵ĻV(chng)h(hun)֪R(sh).5犺С110/ֵٶȏČW(xu)Уl(f)׷sh(hun)СM;׷
          1С˶Lr(sh)g׷ϡh(hun)СM
          2(dng)С׷ϡh(hun)СMr(sh)xĻV(chng)߀жh(yun)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) ԴV|ʡĩ} }

          h(hun)СMͬW(xu)60/ֵٶȏČW(xu)Уl(f)еW(xu)У1000׵ĻV(chng)h(hun)֪R(sh).5犺С110/ֵٶȏČW(xu)Уl(f)׷sh(hun)СM;׷
          1С˶Lr(sh)g׷ϡh(hun)СM
          2(dng)С׷ϡh(hun)СMr(sh)xĻV(chng)߀жh(yun)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դĩ} }

          h(hun)СMͬW(xu)60/ֵٶȏČW(xu)Уl(f)еW(xu)У1000׵ĻV(chng)h(hun)֪R(sh)5犺С110/ֵٶȏČW(xu)Уl(f)׷sh(hun)СM;׷
          1С˶Lr(sh)g׷ϡh(hun)СM
          2(dng)С׷ϡh(hun)СMr(sh)xĻV(chng)߀жh(yun)

          鿴𰸺ͽ>>

          ͬ(x)(c)