 18 .  1-10 , , , , 36 , 2027
 


  -2027     .     18    ,   .            .

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 18 .  1-10 , , , , 36 , 2027





 1


18-1-2027

  ABCDE   ?  m     O.  ABDE       BD; P     ?   AE.

) ,   C, O  P    .

)    ABCDE,  AE = 14, BD = 24, AB = 13.

. ) 

  : ABDE      AE  BD (AE   BD)    AB = ED.         l,       .

  O   P: ?    ABCDE,  ,    AE, AB  DE.         l,    O       l.  P       AE.   AE   l,  OP  AE, ,  OP    l,   P    AE.

 C: B  D       L.  ?    l.  BC  DC      ?,    B  D .         l,  BC  DC     L.      C        l.

  C, O  P        l (  ).    .










)    ABDE.  M    BD,  P   .     ,      .        BD,

  = (BD  )/2 = (24-14)/2 = 5.

         :

 =  =





















           

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   ,     (https://www.litres.ru/book/sergey-voronov-33860142/reshenie-18-zadach-varianty-1-10-ege-matematika-profil-fipi-74765117/)  .

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