Page 18 - 高中数学小题狂做·选择性必修第二册·BS
P. 18

ìí=îD!
                                                                                                      #!" " !
            &! ½Ú"#=$%&'\R¡ˆÖ# "+ "'# " # !" ' #! Xj1"=6ï«"! ' Öðñ! òßtU" ! ! # !
                                                      #
           #
        # " =óô=ðñ' +      # "" # ! ! õtUÖ" " ! # " #!" + ! # + ”Q' + # "" # + ! " @AB,$ C&D#
                            " "!                               ""+
            (! ½Ú"#=KL
             " ! #* # " X&ÚÖ'=½Ú"#! å+# " + , # - +& . " + ! " !!! '# #! §# +# # "+ # ,# # -+& # .! " @AB,$
                   +
                                                               ,-.
                                                                        (
         C!D#
                                  !
             uvUXå# +# # "+& # . Y6*Q+# " +& . ! ~+"#!
             " & # ½Ú"#H! ö÷6*=øùú²6%! ûi="#üÖ½Ú"#! " @AB,$ C*D#
                     +
                                                     +"
             " ( #å* # " X&ÚÖ'=½Ú"#! §* # "# # " # ( (Ö+"! ( '# # X&ÚÖ& '=½Ú"#!
                                                                    (
                                         !
                                                                      +"!
                          +
                     +!* ) " :ýX&ÚÖ' ! ' & =½Ú"#! §"#* # "# - ) " ,- X+"# X&ÚÖ , ' !# - ' & =½Ú"
             " * #å* # "                                      ,
         #! " @AB,$ C(D#
                                                                 +
                                                                                      +
             " ' #* # " =&ÚÖ' ! §') - * * # " ֚›"#% '+ - * * # " ֚œ"#% '+- * * # " Ö+"#! " @AB,$
                                           +
                   +
         C)D# !
            *! þ½Ú"#=âWÿ!$" ! # 01"#;"%=½Ú"#! \þÖ$(! & " ' ! & ! & # ' !(! $”&ÚÖ' % 01"
         #<"%=½Ú"#! $+\þÖ$(! # "( ' ! # " ' ! # # ' ! # #( ' !(! $”&ÚÖ& ' ! " @AB,$ C.D#
             " & #½Ú"#=$%\þÖ# "+ , " # - !
            '! ¬Ï%îDH! å&™6ûEofQj="=îD! \'(­,"#Æ/Òë! ålû"ƒïióôÅ)(
         S*! §\'(­,½Ú"#Æ/Òë! " @AB,$ C!&D#
                                      !"#$& ! -.%&'5!1623



                           #
            !! / "+ " " # !# # "  ! " @AB,$ C! ! $D#
                       &
                        " " " "! #
            &! / "+ "# !#      ' ! " @AB,$ C' ! %D#
                           &
                   $ / ! !   " +! !
            (! # "+ #             uvUX+u,-./" +!=01! " @AB,$ C.D#
                            !
                   % / "" / " "! " " &!
                            +               !        !      !       !(hi½Ú"#! &ÚÖ3&Ú=( 4! " @
                                                                                                    &
            *! å½Ú"#* # " =2"%³Ö/ " §"#/ ( / & (" / ( / ( (" / & (
         AB,$ C'D#
            '! å½Ú"#* # " =%"Ö& " " "'# #! §/ < " / ;+ "' !         +  # "  % å%"Ö& ""! " "'# #! §/ & " "!+
                                                                 / ;
                             +
                                                                                               (
                                               (
                                                                 / < # " #!
                                / ;
                  !             ! +    "  ! " @AB,$ C*D#
         " & " "! # # " k/ ;" / <+ # "
                                / < ""!
                                  !"#$' ! -.%&'5!16'789:
            !! ½Ú"#2"%³=¶‚$
             " ! #¬½Ú"#* # " H!
                             +
                                                                      # "" - !
                                                                     $
             õ# !) - ! ' + -”! / " Q¶·‚! ×/ " ²Ô¶‚=" \ÂY½'û #                V*%
                                                                     %
                                                                      # " #!& -
                                                                      # "& - !
                                                                     $
             õ# !+ - ! ' ) -”! / " Q¶¸‚! ×/ " ²5¶‚=" \ÂY½'û #                V*! " @AB,$ C) ! !(D#
                                                                      # " #!" -
                                                                     %
                     & " #
                               '
                     ' &
             " & # / "+ " # # !" &  " ! å' , - ! § 6ï«"=7‡¨$ õ') -”! / " Q¶¸‚% õ'+ -”! / " Q¶·
         ‚! õ"²¶8€09:=°;"”! / " ²5¶‚! " @AB,$ C!(D#
            &! ½Ú"#=<%²=0‚>ûi"#* - # " - +! å3½Ú"#* # " H?Q2%! [Q3%! ‹Œ* - # " - + Y@X
                                                                     +
                                       +
         ½Ú"#! !³jAXB5"#* # " =23%:CUD="‚! @:E!³!
                                                       , & ,
   13   14   15   16   17   18   19   20   21   22   23