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        1. 盾今1A-10B30C03,,,,,,,,,,,,,,,,,, 2蛍

          麗議(du━)QS頁x=1,,,,,,,,,,,,,,,,,,,,,,, 3蛍

          2捏O(sh┬)岷BC議痕(sh┫)P(gu─n)狼塀蕋y=kx+b

          B30C03蛍e旗秘誼

          盾誼k= -1b=3

          侭參岷BC議痕(sh┫)P(gu─n)狼塀蕋

          (d─ng)x=1r(sh┴)y= -1+3=2÷E12

          (d─ng)r(sh┴)

          ÷Pmm+3,,,,,,,,,,,,,,,,,,,,,,,,,, 4蛍

          嶄(d─ng)r(sh┴) 

          ÷

          (d─ng)r(sh┴)÷,,,,,,,,, 5蛍

          ÷粁DE=4-2=2粁,,,, 6蛍

          ×

          ÷(d─ng)r(sh┴)膨侘蘰出佶吊侘

          盾誼┣産}吭普肇

          咀緩(d─ng)r(sh┴)膨侘蘰出佶吊侘,,,,,,,,,,, 7蛍

          旆O(sh┬)岷cS住噐c(di┌n)喇辛誼

          ×,,,,,,,,,,,,,,,,,,,,,,,, 8蛍

          ,,,,,,,,,, 9蛍

          (x┴)(c┬)狼双基宛
          琲P(gu─n)(x┴)}

          親朕兜嶄(sh┫)W(xu└) (l│i)坿 }侏

          厮岑
          x=1
          y=2
          頁屈圷匯肝圭殻3x-ky=2議匯(g┬)盾tk=
           

          臥心基宛才盾裂>>

          親朕兜嶄(sh┫)W(xu└) (l│i)坿 }侏

          厮岑
          x=3
          y=2
          頁圭殻x+5ky=5k議匯(g┬)盾tk議峙頁─ 。
          A、
          3
          5
          B、
          5
          3
          C、-
          3
          5
          D、-
          5
          3

          臥心基宛才盾裂>>

          親朕兜嶄(sh┫)W(xu└) (l│i)坿 }侏

          娼哂社縮W(w┌ng)泌D災冰]B=]CAD=AEtAB=AC(q┼ng)f苧尖喇野腎
          盾此灣據AEBc@ADC嶄
          --(厮岑)
          -------(         )
          --------(厮岑)

          ÷
           

          ÷AB=AC
           

          臥心基宛才盾裂>>

          親朕兜嶄(sh┫)W(xu└) (l│i)坿 }侏

          音吉塀M
          x-20
          x-10
          議盾鹿頁
           

          臥心基宛才盾裂>>

          親朕兜嶄(sh┫)W(xu└) (l│i)坿 }侏

          14、泌惚音吉塀m+1xm+1議盾鹿頁x1椎担m駅M怎─ 。

          臥心基宛才盾裂>>

          揖化(x┴)(c┬)基宛