2.1 合情推理与演绎推理（学案一）-2020年高中同步教与学数学（人教B版选修2-2）

书书书 !"# ! $%&'( !!" ! !"#$%&'#$ !!"!" ! !"#$ ! " () " !"#$%& ! '(##)*+,-./0 ! 12 ! 3$4 56'768 ! 9:;<=> ! ?@ABCDE?7FGHI ! JKLB/5MN7OP ! QLBRSTU7VWX ! Y&Z[ \]/0%^ ! _`/0abc/0de.fg7/0 ! ghi ! j(kl mLn_`/0 ! "! opqrst7 !!!! uvw.xy ! /z{rst7 !!!! Zuv{.xy7/0 ! |}~�/0 ! #! oper !!!! st��uvw� !!!! x ! /DY& qrstuv��qrst !!!! 7xy7/0 ! |}r �/0 " �� !!!! # ! $! !!!! �Vi ! !!!! FG�V7/0 ! |}_`/0 ! *+,- ! ./#$ !! !"#$ !! �:��/0 $ " " # "%&' O ! ���$tLB���������d��� ��7�� ! �� !  ¡¢£67¤¥ ! ¦��§�d¨©£6 7�� ! pª���/5'«¬7q�­®6¯d°§�¨ ©7 ! " # # ±²³7´²ad "%(!) " $*# #! µ¶³7´²ad "%(!) " +*# #! ·¶³7´²ad "%(!) " &*# #! ¸¹ , ¶³7´²ad "%(!) " ,*# # ! ¬º/0u»¼½¾7¿ÀÁ % !! %&'() !! "! opqrst7ÃÄ¢@uvw.xy ! /z{rst 7¸v¢@Zuv{.xy7/0 ! |}~�/0 " ��~� # ! #! ÅÆ " " # ~�/0d°ÃÄÇÈÉ & °ÊËÇqÌ7 /0 ! " # # ÍÎ~�/0ÏÐ7ÑÒR ! qÌÓGÔ�ÕÖ ! ×Ø ÕÖdÙÚÛÜvÝÞß7SÆ ! àd{ÊÕÖF¹�j(7 ¤¥áâq.ãä ! !! *+,- !! # 0 " $ ! åæQç ' - , ( èé - ,." / " #*- , " , " # . #! êÎ " " ! # ëì " # " # # # # $ 12 ! !"#$ ! " # " %&'() # *+#$%,-. # /0 12,-.3.456%789: # ;<=>+#$ ! " # " %?. () $ 34 ! ° " #." / " #*" # " # " # . # æ " # / " #*" " ! " $ / " #*" # / #*" " $*#" " ! " + / " #*" $ / $*#" " +*$" " !) °ªÕÖ ! " # / " #*" # * " #*# # " " #* " #*" # " " " # # # # $ 5678 ! $ " % @AB82;<'CD+ " # % # $ # % E;<'CD+%=>FGHI%JK # @ADL%M NOP2#Q;<RSTJK $ # 9:;< " $ ! " ")# . " #)$ . " $)+ . ) . " # " #." # ! íz #/" ! # ! $ ! + 7î ! ~�ïÕÖÒð $ *+,= ! >?#$ !! !"#$ !! pñLò¬7óô ! õö÷ø7ázù ! úût0LB & Q LBüý�þ * ÿ!�"#õa${er�@+,�% ! �� &(uvq'ç(À7xy $ 2)*­+ & v,-a./X $ 0 åæ$d°q.123^¸¨©7 & 4ö^7HI ! °ª ! ÿ! �Ôz/0 ! õ¯FGv4ö^HI75x ! 67áz]õö{ qñL÷ø $ ÿ!�!{83Î7/09dr�/0 $ !! %&'() !! r�/0dopeÊ:er¢@!w�5x¬(À ! /5 z&(!�;75x¬ " {q5xå�r�7qÊ¢@¸uv ! �qÊr�7¢@<8=>�� # ¯(À7q./0 $ !! *+,- !! # 0 ! $ ! !?�@A&vTU + Ú±²³´BCqÂDZ¶ DE�adqÊFî , $ <½!Úµ�É&rG7TUd¼½ % 34 ! rG7TU� + Úµ�É´BqÂǵÊ�7DE �adqÊFî ,! ?�@A&{ÊTUFÎ�H�SÆYÚÛ x ! I#JÂ�Ú±²³7±ÊKÂL� ! ¸ÐÇ7 $ ÊM±² ³7�HaXNÚ±²³7�H $ °ªr�FÐÇO� ! FÎÉ H�SÆPÉ@A&{ÊrG7TU $ * " * !"#$%&' ! ()'* " + # ,- ,@ ! UVWXVYZ[ # U\]^\_]`[ # Mabc d=> $ 5678 ! $ " %